Câu hỏi: He ____________ abroad before I met him in Sydney.

A. studied

B. study

C. will study

D. had studied

Câu 1: Do you think you will be able ______ a space trip?

A. to take

B. take

C. taking

D. taken

Câu 2: Would you mind _______ more clearly, please?

A. speak

B. speaking

C. to speak

D. spoke

Câu 3: He won't be happy if you ______ come!

A. don't

B. haven't

C. didn't

D. won't

Câu 4: He decided ____________ another language.

A. study

B. to study

C. studying

D. studied

Câu 5: If I ______a bird, I would be a dove.

A. were

B. is

C. was

D. am

Câu 6: She would come to see you if she _______ your address.

A. had

B. has

C. have

D. having