Câu hỏi: Some kinds of fish live in fresh water. Others live in sea water.

A. Some kinds of fish live in fresh water, for others live in sea water.

B. Some kinds of fish live in fresh water, and others live in sea water.

C. Some kinds of fish live in fresh water, or others live in sea water.

D. Some kinds of fish live in fresh water, so others live in sea water.

Câu 1: The student next to me kept chewing gum. That bothered me a lot.

A. The students next to me kept chewing gum, that bothered me a lot.

B. The students next to me kept chewing gum, which bothered me a lot.

C. The students next to me kept chewing gum, bothering me a lot.

D. The students next to me kept chewing gum bothered me a lot.

Câu 2: Harry no longer smokes a lot.

A. Harry now smokes a lot.

B. Harry used to smoke a lot.

C. Harry didn’t use to smoke a lot.

D. Harry rarely smoked a lot.

Câu 3: My mother is very busy at work but she takes good care of her children.

A. In spite of being busy at work, my mother takes good care of her children.

B. My mother takes good care of her children but she is very busy at work.

C. Though my mother was very busy at work my mother took good care of her children.

D. Although my mother was very busy at work she did not take good care of her children.

Câu 4: The fire-fighters made every effort to put off the flames. The building burned down completely.

A. The building burned down completely though the fire-fighters made every effort to put off the flames.

B. Had it not been for the fire-fighters’ every effort, the building would have burned down completely.

C. Making every effort to put off the flames, the fire-fighters completely burned down the building.

D. Since the fire-fighters made every effort to put off the flames, the building burned down completely.

Câu 5: The plants may develop differently. The plants live on that island.

A. The plants which live on that island may develop differently.

B. The plants live on that island may develop differently.

C. The plants which lives on that island may develop differently.

D. The plants which live that island may develop differently.

Câu 6: I write to my friends overseas regularly. I don’t want to lose touch with them.

A. It is important for me to send letters to my friends abroad to keep them up to date on events in my life.

B. I keep in touch with my friends in foreign countries by writing to them from time to time.

C. My friends try not to lose contact with me by writing very often.

D. In order to not lose touch with my friends abroad, I write to them on a regular basis.