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: 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 2: Did he tell you           ?

A. what was the problem

B. what the problem was 

C. was what the problem

D. the problem was what

Câu 3: This is a good athlete ......................... performance is admired by many people in the world.

A. whom

B. which

C. whose

D. who

Câu 4: f I had known you would come,           

A. I would not have waited for you

B. I would have waited for you 

C. I will wait for you

D. I would wait for you

Câu 5: 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 6:                , they would have had what they wanted.

A. Had they arrived at the fair early

B. Supposing they were arriving at the fair early

C. Unless they arrived at the fair early enough

D. If they arrived at the fair early