Câu hỏi: Your sister used to visit you quite often, ________?

A. didn't she

B. doesn't she

C. wouldn't she

D. hadn't she

Câu 1: In the USA students ________ school uniform.

A. wore

B. wearing

C. don't wear

D. not wear

Câu 2: It’s necessary __________ your listening and writing skills.

A. to improve

B. improve

C. improving

D. improved

Câu 3: You should learn ________ heart all the new words for revision.

A. by

B. in

C. for

D. of

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: Alice wasn’t ___________ to be in my class.

A. too old

B. old enough

C. so old

D. such old

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