Câu hỏi: He sometimes ____________ sports with friends.

A. play

B. plays

C. played

D. playing

Câu 1: She noticed a marked _______ in the children on her second visit.

A. differ

B. difference

C. different

D. differently

Câu 2: Our children _______to school by bus every morning.

A. take

B. are taken

C. have taken

D. are taking

Câu 3: What _________ computer a miraculous device?

A. makes

B. make

C. making

D. to make

Câu 4: Another man-made satellite has _______ up into space.

A. sent

B. be sent

C. been sent

D. sending

Câu 5: Digital cameras is a wonderful ___________.

A. invent

B. invention

C. invented

D. inventing

Câu 6: She used __________ to a special school for deaf-mute students.

A. go

B. to go

C. going

D. went