Câu hỏi: 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 1: Nylon ______________ in the 1930s

A. invented

B. was invented

C. is invented

D. has been invented

Câu 2: Neil has passed his examinations, _________ is good news.

A. which

B. that

C. when

D. who

Câu 3: Our children _______to school by bus every morning.

A. take

B. are taken

C. have taken

D. are taking

Câu 4: His handicap prevented him ___________ swimming all lifelong.

A. to

B. off

C. from

D. up

Câu 5: We _________ some food to tomorrow’s party.

A. are bringing

B. bring

C. brought

D. would bring

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

A. sent

B. be sent

C. been sent

D. sending