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

A. differ

B. difference

C. different

D. differently

Câu 1: Neil has passed his examinations, _________ is good news.

A. which

B. that

C. when

D. who

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

A. starting

B. start

C. to start

D. started

Câu 3: Digital cameras is a wonderful ___________.

A. invent

B. invention

C. invented

D. inventing

Câu 4: Nylon ______________ in the 1930s

A. invented

B. was invented

C. is invented

D. has been invented

Câu 5: What _________ computer a miraculous device?

A. makes

B. make

C. making

D. to make

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

A. sent

B. be sent

C. been sent

D. sending