Question

--- Have you finished the report?
--- No. I ______ it all this week.

1. A.
   will do
2. B.
   had done
3. C.
   have been doing
4. D.
   have done

Answer 1

C
试题分析：现在完成进行时表示从过去某时开始一直持续到现在的动作，并且还将持续下去。句意：--你完成你报告了吗？---还没有，我这周一直在做。根据句意故选C.
考点：考查动词时态的用法。
点评：本题难度适中。做这类题时注意题干所提供的信息，如语境、情景以及说话人的情感;根据句中的时间状语以及一些副词判断时态;考虑语态;考虑时态的一致性。
即学即练：Tom doesn’t turn up. We ______ for him for half an hour.
A. will wait             B. had waited   C. have been waiting        D. have waited
解析：C。句意：我们已经等你半个钟头了。