—Where is Mr. Wang? —He ______ Beijing on vacation.A. has been to B. has gone to C. went to
--- _________ have you lived here ? --- Since last year.
We find _______ not easy _______ fifty English words in one day.
-_____ excellent advice he has given us!
What he says is always _________ what he does.
It ________ over ten years since the dog ____________.