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

A. differ

B. difference

C. different

D. differently

Câu 1: Every day, he _________ his buffalo to his plot of land.

A. lead

B. leads

C. to lead

D. leading

Câu 2: He sometimes ____________ sports with friends.

A. play

B. plays

C. played

D. playing

Câu 3: She had worked as a tourist guide before __________ a teaching career.

A. starting

B. start

C. to start

D. started

Câu 4: She used __________ to a special school for deaf-mute students.

A. go

B. to go

C. going

D. went

Câu 5: Our children _______to school by bus every morning.

A. take

B. are taken

C. have taken

D. are taking

Câu 6: The weather was fine so we decided to go ____________ foot.

A. on

B. by

C. with

D. in