1 Phút Andiez . Nhẹ Nhành hay

Sửa lỗi sai

1.They asked me what đi happen lastnight , but I was unabke to tell them.

2.Air pollution, together with littering, are causing many problems in our large, industrial cities today.

3.These televisions are quite popular in Europe, but those ones are not.

4.Nora hardly never misses an opportunity to play in the tennis tournaments.

5.Many people believe that New York is the most great city in America.

6.Each year people aruond the world spending billions of dollars buying goods on the Internet.

7.Children enjoy telling and listening to ghosts stories, especially on hallowen night.

8.One of the most urgent problem facing us now is the need to control population growth.

9.I'd lost my front door key and I had to smash a window by a brick to get in.

10.Despite os the heavy snow, she went out.

11.The next important question we have to decide is when do we have to submit the propsal.

12.John always arrives lately for his chemistry class even though he leaves his house early.

13.The Nelsons asked us to look over their garden while they were away on vacation.

14.After we have finished supper, let's go to downtown to see a movie.

15.Having not read the book before, he didn't remember who the author was.

16.these shoes wore so quickly that I had to buy a new pair after two months.

17.Everyone in the village was concerning about the plan for a new mall.

18.The church where we are going to visit isn't far from here.

19.If she studies English before, she wouldn't be in a beginners' class.

20.The price of crude oil used to be a great deal lower than now, wasn't it?

21.I'm very glad that you've done lots of progress this semeter.

22.Every Sunday, the Petersons eat bacon and eggs of breakfast.

23.When the man crossed the street, he did notice that the traffic light has turned green.

24.There was wind and snow outside, but he could not see far at all.

25.Dresses, skirts, shoes, and children's clothing are advertised at great reduced prices this weekend.

Sửa lỗi sai

1.The populate of this country has doubled for the last two decades

2.The plane was delayed for more than one hour because the bad weather

3.We can make vegetable matter to compost and ferilize our field

4.The gorilla is much in danger of extinction as the giant tortoise is

5.The city has been destroyed completely after terrorists had bombed it

6.Not having read the book before, he didn't remember who was the author

7.Last night we ate fresh fish with corn and rice in dinner

8.The exercises were such difficult that we couldn't do them

9.I wish you can help me with that difficult problem

10.She was so lazy that she punished by her teacher

11.In the afternoon we went to boat in the river

12.I got up late this morning, that I didn't have time for breakfast

13.Uncle John said that he would go to Nha Trang tomorrow

14.A stranger asked me how far was it from my house to the school

15.The mother asked her son what did he want for his birthday

\(\Leftrightarrow\left\{{}\begin{matrix}x=\sqrt{3}y\\3y+2y=1+\sqrt{3}\end{matrix}\right.\)

\(\Leftrightarrow\left\{{}\begin{matrix}x=\sqrt{3}y\\y=\dfrac{1+\sqrt{3}}{5}\end{matrix}\right.\)

\(\Leftrightarrow\left\{{}\begin{matrix}x=\dfrac{3+\sqrt{3}}{5}\\y=\dfrac{1+\sqrt{3}}{5}\end{matrix}\right.\)

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