Giải phương trình
1) 16-8x=0
2) 7x+14=0
3) 5-2x=0
4) 3x-5=7
5) 8-3x=6
6) 8=11x+6
7)-9+2x=0
8) 7x+2=0
9) 5x-6=6+2x
10) 10+2x=3x-7
11) 5x-3=16-8x
12)-7-5x=8+9x
13) 18-5x=7+3x
14) 9-7x=-4x+3
15) 11-11x=21-5x
16) 2(-7+3x)=5-(x+2)
17) 5(8+3x)+2(3x-8)=0
18) 3(2x-1)-3x+1=0
19)-4(x-3)=6x+(x-3)
20)-5-(x+3)=2-5x
294. I would love to be rich and famous.
Þ If only ..................................................................................................
295. It took a long time for them to decide to get married.
Þ They ...................................................................................................
296. “Is it, or it is not true that you have been misappropriating company funds?” the managing director asked the accountant.
Þ The managing director wanted ........................................................
297. There is a large restaurant in the art- gallery.
Þ The art- gallery...................................................................................
298. Getting to the art- gallery is easy.
Þ It is ....................................................................................................
299. Tickets can be booked over the phone.
Þ You ...................................................................................................
300. We couldn’t drive because of the fog.
Þ If ......................................................................................................
301. Our team has scored more than ten goals in this season.
Þ More than ten goals ........................................................................
302. My friend and I are the same height.
Þ I am ..................................................................................................
303. They are building a new stadium here.
Þ A new stadium ................................................................................
304. I’m sorry I can’t swim.
Þ I wish ................................................................................................
305. I’m really sorry I didn’t invite her to the party.
Þ I really wish .......................................................................................
306. The town was nearer than we thought.
Þ The town wasn’t as .........................................................................
307. They won’t be able to come on Sunday.
Þ It will be.............................................................................................
308. We spent five hours getting to London.
Þ It .......................................................................................................
309. John outran the other in the race.
Þ John was ..........................................................................................
310. Our house is going to be painted by a firm.
Þ We ....................................................................................................
311. She can’t have any more children because of her age.
Þ She is ................................................................................................
312. It’s not necessary to shout.
Þ You ....................................................................................................
313. The patient recovered faster than expected.
Þ The patient made ...............................................................................
314. It was such a dull play that he fell asleep.
Þ The play .............................................................................................
315. “ Where is the nearest tube?” she asked.
Þ She enquired .....................................................................................
316. Their chances of success are small.
Þ It is .....................................................................................................
317. “ Whatever you see in the cupboard, don’t touch it” they said.
Þ They warned me ................................................................................
318. Though he may drive carefully, there is still a danger of accident in a fog so dense.
Þ However .............................................................................................
319. The lights failed the moment they began work.
Þ Hardly .................................................................................................
320. He was unable to make both ends meet though he worked very hard.
Þ Hard working ......................................................................................
321. He couldn’t afford to buy the car.
Þ The car ...............................................................................................
322. I advise you to put your money in the bank.
Þ You’d ..................................................................................................
323. “ Keep away from this area!”
Þ The man told ......................................................................................
324. “ Do you know where my tennis racket is, Mum?”
Þ She asked ..........................................................................................
325. You must not smoke in here.
Þ Smoking .............................................................................................
326. It’s a good idea to take the train.
Þ You’d ..................................................................................................
327. It took us three hours to open the door.
Þ We spent ............................................................................................
328. I didn’t know the answer because I hadn’t read the book.
Þ If I .....................................................................................................
Biến đổi câu
244. My boyfriend is very short-tempered.
Þ My boyfriend ....................................................................................
245. You can use it as long as you like, and it won’t wear out.
Þ No matter ........................................................................................
246. If the work is finished by lunchtime you can go home.
Þ Get ...................................................................................................
247. Although Judy was severely disabled she participated in many sports.
Þ Despite .............................................................................................
248. It’s such a pity your sister can’t come as well.
Þ If only ..................................................................................................
249. The house seemed to have been unoccupied for several months.
Þ It looked ..............................................................................................
250. These machines have put an end to queuing.
Þ Before these .......................................................................................
251. He was so tired that he fell asleep before the end of the film.
Þ He was too ........................................................................................
252. Though my house was cheaper than Norman’s, it is bigger and more attractive.
Þ Norman’s house may .........................................................................
253. Everyone heard about the accident before I did.
Þ I was the .............................................................................................
254. “If you must go out tonight, at least finish your homework first!” said Sarah’s father.
Þ Sarah’s father .....................................................................................
255. The instructions say you just add boiling water to the soup powder.
Þ The soup powder ................................................................................
256. Many people were severely critical of the proposals for the new motorway.
Þ There was ...........................................................................................
257. For a teacher of her experience and ability, discipline was not a problem.
Þ For such .............................................................................................
258. There was no precedent for the King’s resignation.
Þ Never .................................................................................................
259. The police were informed of the identity of the murdered man.
Þ The identity ........................................................................................
260. The fate of the two climbers is unknown.
Þ It is a mystery ....................................................................................
261. He was suspended for two matches for swearing at the referee.
Þ Swearing at the referee earned ........................................................
262. Although he was not guilty, they executed him.
Þ In spite of ..........................................................................................
263. People who haven’t been abroad shouldn’t criticize foreign customs.
ÞNo body who ....................................................................................
Biến đổi câu:
190. That dress has only the slightest mark on it.
Þ I can barely .........................................................................................
191. He insisted on a full apologize.
Þ Nothing but .........................................................................................
192. My decision to get up and dance coincided with the band’s decision to stop playing.
Þ The moment .......................................................................................
193. The doctor advised me to rest.
Þ The doctor suggested .........................................................................
194. They had to wait for twelve hours before their flight left.
Þ Only after a .........................................................................................
195. Their teacher is making them study hard.
Þ They are .............................................................................................
196. They were just as good as we had expected.
Þ They certainly lived ............................................................................
197. Even though I admire his courage, I think he is foolish.
Þ Much .................................................................................................
198. Would you mind not smoking in here?
Þ I’d rather ............................................................................................
199. No matter how hard I tried I couldn’t open the door.
Þ Try .....................................................................................................
200. The critics were very impressed by her performance.
Þ Her performance made ......................................................................
201. When are the council going to do something about the city’s traffic problems?
Þ It’s high time something ..................................................................
202. I didn’t realize who he was until later.
Þ Only later ........................................................................................
203. The value of sterling has fallen considerably in the past week.
Þ There has ..........................................................................................
204. It won’t make any difference if it rains because we’ll still go.
Þ We’ll still go .......................................................................................
205. We left quietly, sot that we wouldn’t disturb the children.
Þ So as ..... ...........................................................................................
206. I would do anything for you.
Þ There is ..............................................................................................
207. Given fair warning, I could have avoided that date.
Þ If you had told me ..............................................................................
208. He remembered, and so did she.
Þ He didn’t ..........................................................................................
209. “Let’s go for a walk in the park,” said Andrew.
Þ Andrew suggested that ...................................................................
210. His second attempt on the world record was successful.
Þ He broke ..........................................................................................
211. Helen can play the piano better than Elizabeth.
Þ Elizabeth ..........................................................................................
212. I’m sure he didn’t know that his brother was seriously ill.
Þ He couldn’t possibly ..........................................................................
213. What particularly impressed me was her excellent command of English.
Þ I .........................................................................................................
214. She didn’t say a word as she left the room.
Þ She left the room ...............................................................................
215. The result of the match was never in doubt.
Þ At no time ..........................................................................................
216. This will be the orchestra’s first performance outside London.
Þ This will be the first time ....................................................................
217. I apply for the job but was turned down.
Þ My .....................................................................................................
218. The Prime Minister was determined to remain in office.
Þ The Prime Minister had no ................................................................
219. He said, “I wish I knew the answer”.
Þ He said that ........................................................................................
220. The refugees continued to feel unsafe until they had crossed the border.
Þ Not until ..............................................................................................
221. I don’t know the 1st thing about aeronautics.
Þ I’m ......................................................................................................
222. The student’s riotous behavior should have been severely punished.
Þ The student deserved .......................................................................
223. There are more people out of work in this country than ever before.
Þ Never ..................................................................................................
224. The chances are that the whole thing will have been forgot by next term.
Þ In all.....................................................................................................
225. “Please don’t drive so fast!” Ann begged her boyfriend.
Þ Ann pleaded .......................................................................................
226. Despite his ungainly air he is remarkably agile.
Þ Although .............................................................................................
227. She is proud of being such a good cook.
Þ She prides ........................................................................................
228. My protests were ignored.
Þ Nobody .............................................................................................
229. I’m sure he took your briefcase by mistake.
Þ I’m sure he didn’t ................................................................................
230. We only dispatch goods after receiving the money.
Þ Only after the money...........................................................................
231. You pay $20 a month for a period of one year.
Þ You pay in twelve successive .............................................................
232. We’ll settle down. Then his performance will improve.
Þ Once ...................................................................................................
233. It is said that he escaped to a neutral country.
Þ He ......................................................................................................
234. The truth only came out on the publication of the general personal diaries.
Þ Only when ..........................................................................................
235. Oil was slowly coating the edge of the shore.
Þ The edge of the shore ........................................................................
236. In spite of the forecast it stayed fine.
Þ Although .............................................................................................
237. We’d prefer you not to smoke.
Þ We’d rather ........................................................................................
238. You really should be able to dress yourself by now.
Þ It’s high time ......................................................................................
239. Provided your handwriting is legible the examiner will accept your answer.
Þ So long as the examiner ....................................................................
240. Without his help we would all have died.
Þ If it .....................................................................................................
241. He forgot about the gun until he got home.
Þ Not until ............................................................................................
242. May I borrow your pen?
Þ Would you mind ...............................................................................
243. “I’d take a taxi if I were you,” said Peter.
Þ Peter suggested .................................................................................