--- Where is Mary?
--- She ____ to Harbin.
A. has been B. has gone C. had been D. goes
I’ve ____ met her before, so I don’t know her.
A. never B. ever C. just D. yet
--- ____ have you been a member of Greener China?
--- For two years.
A. How often B. How long C. When D. How far
--- Have you ____ your key?
--- No, I’ve ____ for it everywhere, but I can’t find it.
A. find; looked B. looked; found C. found; looked D. looked; looked
My brother always ____ his lesson, so he is a top student.
A. works hard at B. work hardly at C. work hard at D. works hardly at
The dog is very ___, and it can work out the problem____.
A. smart; easy B. smart; easily C. smartly; easily D. smartly; easily
