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:                , 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 3: Take your money with you                

A. if you see any good souvenirs to buy

B. in case you see any good souvenirs to buy

C. when you see any good souvenirs to buy

D. whenever see any good souvenirs to buy

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: 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 6: 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