---What are they ? ---They are .
The old man live in the countryside,but now he in the city.A.used to is used to liveB.used to,is used to livingC.was wsed to,used to live
Did you know ?A.What is she doingB.What she is doingC.What she was doing
I don’t think the song is worth .A.listen toB.listening toC.being listened to
—Is it difficult for you to understand this passage?—Yes, there aren’t any new words in it.A.because B.though C.so
—Culd I have bottle of apple juice,please.—of course.Here you are.A.another B.other C.the other