Question

I know he hasn’t finished his homework, but ______, he has done his best

1. A.
   at all
2. B.
   in all
3. C.
   after all
4. D.
   above all

Answer 1

C
试题分析：句意：我知道他没有完成作业，但是毕竟他已经尽了他的最大努力了。A. at all 根本；             B. in all 总共； C. after all 毕竟； D. above all 首先，最重要的。根据句意故选C。
考点：考查固定短语的用法。