Câu hỏi: Alexander Fleming,           , received the Nobel Prize in 1945

A. that discovered penicillin 

B. who discovered penicillin

C. he discovered penicill 

D. which discovered penicillin

Câu 1: Taking exercise              

A. is good health for you

B. is good for your healthy

C. is a good health for you 

D. is good for your health 

Câu 2:               that she didn’t see her parents often.

A. She had so little time

B. She had so few times

C. She had so a little time

D. She had so a few times

Câu 3: Have you ever met the man          ?

A. who married Mary’s cousin 

B. who is married Mary’s cousin 

C. who was married Mary’s cousin 

D. whom married Mary’s cousin

Câu 4: He is the person           

A. from who I bought this old car

B. which I bought this old car

C. from that I bought this old car

D. from whom I bought this old car

Câu 5: John’s score on the test is the highest in the class. He             

A. should have studied all the time

B. must have studied very hard

C. should study very hard

D. must have to study well 

Câu 6: My colleague __________ me an email.

A. has just sent

B. has sent just

C. just sent has

D. just has sent