21.Tom has been appointed ______ manager of the sales department to take ____ place of George.
A./,/ B.the,/ C the , the D./, the
22. Mr. Smith stood up in defence of the 16-year-old boy, saying that he was not the one .
A. blamed B. blaming C. to blame D. to be blamed
23. —How about your journey to Chishui during the 7-day holiday?
—Everything was wonderful except that our car twice on the way back to Zunyi.
A. slowed down B. broke down C. got down D. put down
