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: 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 2: I would like __________ somewhere different for a change.

A. go

B. to have gone

C. going

D. to go

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: 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 5:                , 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

Câu 6: They are living in a house             

A. that built in 1930

B. that was built in 1930 

C. in 1930 that was built

D. that was building in 1930