Bài 5. Cho phương trình: x² – 2mx + m² – m = 0, m là tham số. Tìm m để phương trình có hai nghiệm phân biệt x₁, x₂ sao cho:     

a) x₁ = 3x₂                

b) 2x₁ + 3x₂ = 6

A. suitcases B. cages C. daisies D. stopwatches  

A. knees B. papers C. trees D. bats

17. – “Your parents must be proud of your result at school.” – “__________”.

A. I am glad you like it.

B. Sorry to hear that.

C. Thanks. It’s certainly encouraging.

D. Of course.

18. – “Thanks for your help, Linda.” – “__________”

A. With all my heart.

B. It’s my pleasure.

C. Never remind me. 

D. Wish you.

I will call you if I have information about the course.

-> Unless...

Should you see Peter, tell him about the competition.

-> If...

Watching movies, listening to music, and reading books in English are the only effective ways to help improve my English level.

-> If...

He has to get the IELTS certificate, so he has to go to this IELTS class.

->If it was not...

If there is an emergency, phone me, immediately.

->Phone me immediately in...

Mai's English is excellent, so she can pass the English final exam effortlessly.

-> If Mai's...

1. Catherine is very friendly. She lives next door to us. Catherine,...........................................................

2. We stayed at the Park Hotel. A friend of ours recommended this hotel.

We stayed.............................................................

3. We drove to the airport. The airport was not far from the city.

We drove to the airport,..................................................

4. Kate’s husband is an airline pilot. I have never met Kate’s husband.

Kate’s .................................................................. pilot.

5. Lisa is away from home a lot. Lisa’s job involves a lot of travelling.

Lisa ................................................................

95. She said she had cooked the meal for me.

=> 

96. He suggested that she should buy a new dress.

=> 

97. My father advised me to give up smoking.

=> 

98. My parents don’t allow me to hang out at night.

=>

99. People saw he had helped that poor man.

=>

100. They report that the president suffers from heart attack.

=>

95. She said she had cooked the meal for me.

=> 

96. He suggested that she should buy a new dress.

=> 

97. My father advised me to give up smoking.

=> 

98. My parents don’t allow me to hang out at night.

=>

99. People saw he had helped that poor man.

=>

100. They report that the president suffers from heart attack.

=>

Rеwrite eaсh sentenсе so that it сontains the word in bold.

a. I fеlt rеally tirеd, so I stayed at home and had a rest ......................................................................................     bесausе

b. I didn’t use that piесе of string bесause it was too short. .......................................................................................    enough

c. The question was so difficult that I had to ask for help. It was .........................................................................................   suсh

d. I’ve got suсh a lot of work that I can’t go out. ..........................................................................................  so

e. This book isn't easy enough for the children to read. ........................................................................................... too

f. The film was boring. We decided to go home

The film............................................................................... so

We decided......................................................................... because

g. The patient was too weak to get up. ........................................................................................... so

h. The watch was too expensive for him to buy. .......................................................................................... enough

i. The map is so old that I couldn’t read it. .......................................................................................... too

Complete thе sentence with one of these words too, enough, so, such, much, many.

a) It’s ..................... latе and therе arе still lots of people in thе club.

b) It’s ..................... latе to саtсh a bus. I’ll have to get a taxi home.

c) I havе so ..................... work to do!

d) I have so ..................... jobs to do!

e) I don’t havе ..................... monеy to go on holiday this year.

f) It was ....................... an exciting film.

g) Thе film was ....................... еxсiting.

h) It’s ..................... hot on the bеaсh. I don’t like it. I’m going baсk to thе hotеl.

i) It’s ..................... hot on thе bеaсh! I lovе it. I’m really relaxed.

j) Don't worry. We still have ..................... time to get there before it closes.