A. have; been B. had; been

C. have; gone D. had; gone

【题目】— Did you hear the news about the fire in our building?
— Yes. It took the firemen two hours to_______ the fire.
A.put out
B.put up
C.put down
D.put off

【题目】We all had fun in the supermarket.
A.to shop
B.shopping
C.shoped

【题目】What about some tea this afternoon?
A.drinking
B.to drink
C.drink

A. takes a bike B. by bike

C. on foot D. rides a bike

A. but B. so C. and

【题目】-- Would you mind here?
-- I'm sorry about that. I'll go somewhere else.
A.smoking
B.not smoking
C.no smoke

【题目】— Could you come to my party tomorrow afternoon?
— Sorry, I _______. I take care of my little sister.
A.couldn't; have to
B.can't; may
C.can't; have to
D.couldn't; may

A.can’t be B.must be C.should be D.must is

A. invite B. invitation C. inviting D. Ask