He has been a teacher ______ six years ago and he has been here _____ 3 years.
A. for; for B. since; for C. for; since
E-mail is very popular today,People seldom write letters now,?
A.did they B.do they C.don’t they
The old manlive in the countryside,but now hein the city.
A.used to is used to live
B.used to,is used to living
C.was wsed to,used to live
Did you know?
A.What is she doing
B.What she is doing
C.What she was doing
I don’t think the song is worth.
A.listen to
B.listening to
C.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