Câu hỏi: Nylon ______________ in the 1930s

A. invented

B. was invented

C. is invented

D. has been invented

Câu 1: She had worked as a tourist guide before __________ a teaching career.

A. starting

B. start

C. to start

D. started

Câu 2: Digital cameras is a wonderful ___________.

A. invent

B. invention

C. invented

D. inventing

Câu 3: Braille _________ a system of raised dots that can be read with the fingers by people who are blind.

A. am

B. be

C. is

D. are

Câu 4: If I __________a lot of money now, I ______________a new car.

A. have /will buy

B. have / would buy

C. had/ will buy

D. had/ would buy

Câu 5: Neil has passed his examinations, _________ is good news.

A. which

B. that

C. when

D. who

Câu 6: She used __________ to a special school for deaf-mute students.

A. go

B. to go

C. going

D. went