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:                , 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 2: When you got back, Harry             

A. will leave London for New York

B. has left London for New York

C. had already left London for New York

D. leaves London for New York 

Câu 3: My colleague __________ me an email.

A. has just sent

B. has sent just

C. just sent has

D. just has sent

Câu 4: 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 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: Tom asked me           

A. if was I having a good time last weekend

B. whether I have had a good time last weekend

C. if would I have a good time last weekend 

D. whether I had had a good time the previous weekend