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:               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 2: Do you know the boy           at the party last week?

A. we talked about

B. about him we talked 

C. we talked about him

D. who we talked about him 

Câu 3: When you arrived back at the hotel,              ?

A. were you noticing what time it was

B. did you notice what time was it

C. did you notice what time it was

D. were you noticing what time was it

Câu 4: This is a good athlete ......................... performance is admired by many people in the world.

A. whom

B. which

C. whose

D. who

Câu 5: John contributed fifty dollars, but he wishes he could contribute,            

A. one other fifty dollars 

B. more fifty dollars

C. another fifty

D. the same amount also

Câu 6: 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