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: 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

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

A. fine

B. big

C. short

D. long

Câu 5: How long haven't you seen Peter? This sentence means:                      .

A. When are you going to see Peter?

B. When will you and Peter see each other again?

C. When did you last see Peter?

D. When haven’t you seen Peter?

Câu 6: They __________ their homework, then they listened to music.

A. does

B. did

C. do

D. doed