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: Nowadays, the divorce rate is higher than it used to be________ young people are allowed to decide on their marriage.

A. despite

B. but

C. even though

D. in spite of

Câu 2: Nylon ______________ in the 1930s

A. invented

B. was invented

C. is invented

D. has been invented

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

A. going

B. to go

C. go

D. went

Câu 4: He sometimes ____________ sports with friends.

A. play

B. plays

C. played

D. playing

Câu 5: Our children _______to school by bus every morning.

A. take

B. are taken

C. have taken

D. are taking

Câu 6: Which activities do you think would be difficult ________ blind and deaf people?

A. to

B. for

C. with

D. of