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: My friend and I _______ your sister tomorrow afternoon after she _______ her work.

A. will meet-will finish

B. will meet-has finished

C. will have met-has finished

D. will have met-will finish

Câu 2: Ba always ____________ the homework before going to class.

A. does

B. dos

C. do

D. is doing

Câu 3: He came up with the solution __________ every problem.

A. in

B. at

C. for

D. to

Câu 4: In the USA students ________ school uniform.

A. wore

B. wearing

C. don't wear

D. not wear

Câu 5: At the end of the story, the prince and princess fall _________ love with each other.

A. in

B. on

C. for

D. at

Câu 6: It’s necessary __________ your listening and writing skills.

A. to improve

B. improve

C. improving

D. improved