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: This is a good athlete ......................... performance is admired by many people in the world.

A. whom

B. which

C. whose

D. who

Câu 3: My mother bought me a __________ doll when I was small.

A. fine

B. big

C. short

D. long

Câu 4: 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 5: He enjoys learing languages __________ he finds them difficult.

A. because

B. or

C. and

D. but

Câu 6: 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