Câu hỏi: You must look _______________ your children when they are playing.

A. around 

B. about

C. after

D. down

Câu 1: Christmas songs ___________ for people centuries ago.

A. were performed

B. are performed

C. performed

D. was performed

Câu 2: He usually goes ______ in the winter.

A. to jog

B. jogging

C. joging

D. jogs

Câu 3: He is able ___________ the faucets in our house.

A. can fix

B. to fix

C. fixed

D. fixing

Câu 4: You can’t make a comparison between beef and oranges, they are completely ___________ .

A. differ

B. different

C. difference

D. differently

Câu 5: Would you mind ___________ the windows?

A. closed

B. closing

C. to closing

D. to close

Câu 6: She said she ___________ a worker in a large factory.

A. is

B. has been

C. was

D. will be