Câu hỏi: The students are playing ____________ in the school yard.

A. happy

B. happier

C. happiest

D. happily

Câu 1: You can’t make a comparison between beef and oranges, they are completely ___________ .

A. differ

B. different

C. difference

D. differently

Câu 2: Hoa and Lan ________ their grandfather and gradmother tomorrow?

A. sees

B. is going to see

C. see

D. are going to see

Câu 3: He isn’t tall enough ______________ the books on the shelf.

A. reach

B. reaching

C. to reach

D. reached

Câu 4: I sometimes fly _____ kites in the summer.

A. he

B. his

C. their

D. my

Câu 5: I was cooking for dinner ...........................................

A. then the phone rang

B. then the phone was ringing

C. when the phone rang

D. when the phone was ringing.

Câu 6: Would you mind ___________ the windows?

A. closed

B. closing

C. to closing

D. to close