二、单项选择 （共20小题，计20分）
从每小题A、B、C、D中选出一个能填入句中空白处的最佳答案。
16. When I got his message, I called back, but there was no ______.
   A. answer    B. ring    C. voice    D. sound
17. My teacher asked me whether I worried about the test and I said “No”. But ______ I was.
   A. really    B. hardly    C. badly    D. nearly
18. You say the bridge is safe but I shall take care ______.
   A. after all    B. in general    C. later on    D. all the same
19. －Maria, it’s a ______ that you didn’t travel with us.
   －I was going to, but I had to finish my work first.
   A. pleasure    B. pity    C. joy    D. wonder
20. It is not ______ whether you fail or succeed in the game. The point is that you take part in it and enjoy it.
   A. necessary    B. important    C. true    D. right