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

A. differ

B. difference

C. different

D. differently

Câu 1: The weather was fine so we decided to go ____________ foot.

A. on

B. by

C. with

D. in

Câu 2: After a long time of revision, she is gradually fond _________ English

A. in

B. on

C. of

D. with

Câu 3: Three women, none of whom we _______ before, _______ out of the hall.

A. saw-had come

B. had seen-came

C. saw-came

D. had seen-had come

Câu 4: She had worked as a tourist guide before __________ a teaching career.

A. starting

B. start

C. to start

D. started

Câu 5: Which activities do you think would be difficult ________ blind and deaf people?

A. to

B. for

C. with

D. of

Câu 6: Another man-made satellite has _______ up into space.

A. sent

B. be sent

C. been sent

D. sending