Câu hỏi: She can’t talk to you now, she …………

A. study

B. is going to study

C. is studying

D. will studied

Câu 1: Tay Bac university ……. in Son la town for two years.

A. was built

B. is built

C. have been built

D. has been built

Câu 2:  They found it is impossible ……… their problems.

A. solve

B. to solve

C. solved

D. solving

Câu 3: I hate …. ….the washing up.

A. taking

B. doing

C. getting

D. making

Câu 4: ……… I was a child, I used to play football.

A. As soon as

B. While

C. When

D. If

Câu 5: If you want to learn English well you have to ………. hard working.

A. being

B. been

C. be

D. for being

Câu 6: Chewing gum ………… in Sweden in 1993.

A. was invented

B. is invented

C. has been invented

D. invented