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: We didn’t go on holiday last year because we didn’t have enough money.

A. If we hadn’t had enough money, we wouldn’t have gone on holiday last year.

B. If we had had enough money, we would have gone on holiday last year. 

C. If we hadn’t had enough money, we would have gone on holiday last year. 

D. Unless we had enough money, we would go on holiday last year

Câu 2:          is it from here to the supermarket? - Two kilometres

A. How much 

B. How often 

C. How long 

D. How far

Câu 3: The police had to let her _________ because of insufficient evidence. 

A. go

B. to go 

C. going 

D. gone

Câu 4:              Christmas Eve, people often have parties at midnight

A. In

B. At

C. On

D. For

Câu 5: It is raining hard, so our meeting has to be _________ till next Saturday? 

A. put off

B. put down 

C. put up 

D. put away

Câu 6: Garlic is a plant that grows            there is a warm climate.

A. wherever 

B. how

C. which

D. what