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

A. to

B. for

C. with

D. of

Câu 1: Another man-made satellite has _______ up into space.

A. sent

B. be sent

C. been sent

D. sending

Câu 2: She had worked as a tourist guide before __________ a teaching career.

A. starting

B. start

C. to start

D. started

Câu 3: Mark prefers cycling ________ driving

A. than

B. for

C. to

D. as

Câu 4: He sometimes ____________ sports with friends.

A. play

B. plays

C. played

D. playing

Câu 5: Every day, he _________ his buffalo to his plot of land.

A. lead

B. leads

C. to lead

D. leading

Câu 6: Digital cameras is a wonderful ___________.

A. invent

B. invention

C. invented

D. inventing