Câu hỏi: – 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 1: Ba always ____________ the homework before going to class.

A. does

B. dos

C. do

D. is doing

Câu 2: 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

Câu 3: He told me ___________ my best to study English.

A. try

B. trying

C. to try

D. tried

Câu 4: ___________ she was not well, she still went to work.

A. Because

B. Because of

C. Although

D. In spite of

Câu 5: There _______ a flower vase, a jar of jam, and some flour on the table.

A. be

B. is

C. are

D. were

Câu 6: He came up with the solution __________ every problem.

A. in

B. at

C. for

D. to