Câu hỏi: When we were on holiday, we used ________ to the beach every day.

A. go

B. to go

C. going

D. gone

Câu 1: It’s necessary __________ your listening and writing skills.

A. to improve

B. improve

C. improving

D. improved

Câu 2: Gold _______in California in the 19th century.

A. was discovered

B. has been discovered

C. was discover

D. they discovered

Câu 3: We decided ________ at home this afternoon.

A. staying

B. stayed

C. stay

D. to stay

Câu 4: – Do you have to buy this hat? – No, I _____. It isn't necessary.

A. mustn't

B. won't

C. needn't

D. don't need

Câu 5: What should you consider before _________ for an exercise class?

A. sign up

B. to sign up

C. signing up

D. will sign up

Câu 6: If I __________a lot of money now, I ______________a new car.

A. have /will buy

B. have / would buy

C. had/ will buy

D. had/ would buy