Câu hỏi: Nylon ______________ in the 1930s

A. invented

B. was invented

C. is invented

D. has been invented

Câu 1: What _________ computer a miraculous device?

A. makes

B. make

C. making

D. to make

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

A. in

B. on

C. of

D. with

Câu 3: I prefer ___________ abroad to travelling within the country.

A. going

B. to go

C. go

D. went

Câu 4: She noticed a marked _______ in the children on her second visit.

A. differ

B. difference

C. different

D. differently

Câu 5: Digital cameras is a wonderful ___________.

A. invent

B. invention

C. invented

D. inventing

Câu 6: His handicap prevented him ___________ swimming all lifelong.

A. to

B. off

C. from

D. up