15,If the air weren't so dirty,I wouldn't sneeze so much

16, Their children have birth defects because the parents were exposed to radiation.

17,The air pol ...

2.C

3.A

4.D

5.B

ex2:

1.this beach is very ...dangerous..... for swimmers because tormadoes often start there.(danger)

CHÚC BẠN HỌ ...

Question 15. As a government official, Benjamin Franklin often traveled abroad. A: alone B: overseas C: secretly D: widely

 đáp án: B

Non-smokers usually live (long).longer ...than smokers.

"much" sửa thành: "more" 

Visiting ____museums____ increases my knowledge about cultures in the past.

1.D

2.D

3.C

4.A

5.B

6.B

7.A

8.C

9.D

10.A

11.C

12.B

13.B

14.B

15.B

16.C

17.D

18 ...

I.

1. sensitive  

2. talking          

3. classmates

4.finishes        &nb ...

People in my village love delicious food and they often have three meals a day - breakfast, lunch, and dinner. At about 7.00 a.m, they usually have a light breakfast with a bow ...

1, stay/ will probably go

2,hurry/will catch

3,will be

4,were 

5,rises

6,don't leave

7,will drop

8,phones

9,didn't spray

10,didn' ...