Câu hỏi: When my father was young, he _____ work in the garden for long hours.

A. can

B. could

C. will

D. should

Câu 1: – 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 2: He came up with the solution __________ every problem.

A. in

B. at

C. for

D. to

Câu 3: What should you consider before _________ for an exercise class?

A. sign up

B. to sign up

C. signing up

D. will sign up

Câu 4: At the end of the story, the prince and princess fall _________ love with each other.

A. in

B. on

C. for

D. at

Câu 5: Ba always ____________ the homework before going to class.

A. does

B. dos

C. do

D. is doing

Câu 6: Your sister used to visit you quite often, ________?

A. didn't she

B. doesn't she

C. wouldn't she

D. hadn't she