We have________ Shanghai since we saw you last month．
A．been to B．gone to
C．arrived in D．been in
In fact，I lived here ________ 2000．
A．in B．for
C．since D．at
His sister’s never been to the Summer Palace, ________?
A. is he B. has he
C. has she D. isn’t she
He _____ be at home, because the door is locked.
A. must B. can’t
C. can D .mustn’t
Uncle John ________his hometown for twelve years．
A. left B. has left
C. has gone D. has been away from
______ fives years since we began learning English.
A. There are B. There have been
C. It was D. It is
