Câu hỏi: We know their address, but they don’t know ________.

A. their’s

B. our

C. our’s

D. ours

Câu 1: Frank ________ when he noticed a large packing case lying on the floor

A. had about to leave

B. is about to leave

C. has about to leave

D. was about to leave

Câu 2:  __________ at home yesterday?

A. Do you stay

B. Did you stay

C. Have you stayed

D. Will you stay

Câu 3: My friend is ______ so she has a lot of free time.

A. singer

B. single

C. married

D. free

Câu 4: Where are _____ children? – They go to school.

A. the

B. you

C. a

D. an

Câu 5: I know somebody ________ can play the guitar.

A. he

B. who

C. what

D. that he

Câu 6: Those students are working very _____ for their next exams.

A. hardly

B. hard

C. harder

D. hardest