21. --- Can you help me?

   --- Yes. _______your teacher’s advice, in my opinion, and everything will be OK.

   A. Follow      B. Following           C. To follow         D. Followed

22. _____ your advice, I would have been caught in the traffic and I wouldn’t have been there on time.

  A. In spite of        B. But for          C. Because         D. As for

23. ---We had ______ really cold March this year.

   ---I can’t remember _____ spring when it snowed in Jiangxi.

A  a, /.   B  / , the.   C  the, a.   D  a , a