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: 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 2: My mother bought me a __________ doll when I was small.

A. fine

B. big

C. short

D. long

Câu 3: 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 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: My colleague __________ me an email.

A. has just sent

B. has sent just

C. just sent has

D. just has sent

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