Câu hỏi: Why are they happy? – Because her mother __________ them to the zoo.

A. was taking

B. is takingcorrect

C. does taking

D. are taking

Câu 1: 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 2: 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 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:                , 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 6: They __________ their homework, then they listened to music.

A. does

B. did

C. do

D. doed