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:                , 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: I would like __________ somewhere different for a change.

A. go

B. to have gone

C. going

D. to go

Câu 3: 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 4: 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 5: 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 6: 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