Question

Henry can’t attend the party _____ at Tom’s house at present because he is preparing the speech at the party _____ at Marie’s house tomorrow.

  　A. held; being held            B. to be held; to be held

  　C. to be held; held            D. being held; to be held

Answer 1

D

解析:

由at present可知第一空应用being held（表示正在被进行的动作）；由tomorrow可知第二空应用to be held（表示即将被进行的动作）。