Câu hỏi: We must take steps to preserve natural resources; otherwise the planet will be in danger. 

A. Unless we take steps to preserve natural resources, the planet will be in danger. 

B. Unless we take steps to preserve natural resources,the planet will not be in danger.

C. If we take steps to preserve natural resources, the planet would be in danger.

D. If we take steps to preserve natural resources,the planet will be in danger. 

Câu 1: I have two history books, but ____are about American history

A. none of them

B. all of them

C. neither of them

D. most of them 

Câu 2: Garlic is a plant that grows            there is a warm climate.

A. wherever 

B. how

C. which

D. what

Câu 3: The car was so expensive that I didn’t buy it

A. The car was not so cheap that I couldn’t buy it. 

B. The car was such expensive that I didn’t buy it. 

C. The car was cheap enough for me to buy

D. The car was too expensive for me to buy

Câu 4: By next year, we             here for ten years? 

A. lived

B. have lived

C. will live

D. will have lived

Câu 5:                 his childhood in DALAT, he knew the city well

A. To spend 

B. Spent

C. Having spent 

D. To have spent

Câu 6: Although he is intelligent, he doesn’t do well at school. 

A. Despite being intelligent, he doesn’t do well at school.

B. In spite of intelligent, he doesn’t do well at school. 

C. In spite he is intelligent, he doesn’t do well at school. 

D. Although his intelligence, he does well at school.