1．—_________you ever__________to Nanjing?
—Yes，I__________there last year．
A．Have…gone，have gone B．Have…been，went
C．Did．…go，went D．Did…go，has been
2．—How long have you_________the book?
—For several weeks．
A．bought B．borrowed C．lent D．had
3. She’s never been late for school, ______?
A. is she B. isn’t she C. doesn’t she D. has she
4. ---How long has he been away? ------_________.
A. Two hours ago B. Since two hours
C. Two hours before D. For two hours
