Câu hỏi: Nylon ______________ in the 1930s

A. invented

B. was invented

C. is invented

D. has been invented

Câu 1: Every day, he _________ his buffalo to his plot of land.

A. lead

B. leads

C. to lead

D. leading

Câu 2: The weather was fine so we decided to go ____________ foot.

A. on

B. by

C. with

D. in

Câu 3: He sometimes ____________ sports with friends.

A. play

B. plays

C. played

D. playing

Câu 4: 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 5: Neil has passed his examinations, _________ is good news.

A. which

B. that

C. when

D. who

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

A. sent

B. be sent

C. been sent

D. sending