Câu hỏi: You shouldn't spend all your time.....................

A. study

B. to study

C. studying

D. studied

Câu 1: Ann is interested in.................... young children.

A. teach

B. teaches

C. to teach

D. teaching

Câu 2: Homestead High School football team………….. a championship until last season.

A. has never won

B. had never been winning

C. is never winning

D. had never won

Câu 3: No breakfast for Mark, thanks. He…………..breakfast.

A.  has not eaten

B. did not eat

C. is not eating

D. does not eat

Câu 4: I…………..at the checkout when I………….. a strange-looking man.

A. waited/noticed

B. was waiting/noticed

C. waited/was noticing

D. was waiting/had noticed

Câu 5: Glenda…………..extremely hard when she was a student.

A. worked

B. has worked

C. was working

D. had been worked

Câu 6: Doctors _____ a cure to AIDS yet.

A. have found

B. found

C. haven't found

D. hasn't found