Question

We appreciate ______ us know the change of the date for the meeting.

1. A.
   him to let
2. B.
   him let
3. C.
   his letting
4. D.
   let

Answer 1

C
考查动词用法。本题考查appreciate doing sth感激做，故选择C。句意：我们感谢他让我们知道会议日期改变了。