Câu hỏi: I was late because I ……… the bus.

A. left

B. lost

C. missed

D. forgot

Câu 1:  They found it is impossible ……… their problems.

A. solve

B. to solve

C. solved

D. solving

Câu 2:  I’ll phone you ……………….. I come.

A. while

B. until

C. as soon as

D. because

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: Chewing gum ………… in Sweden in 1993.

A. was invented

B. is invented

C. has been invented

D. invented

Câu 6:  If we ……... have computer, our lives ………. boring.

A. don’t/ will be

B. won’t have/ are

C. didn’t/ would

D. wouldn’t/ were