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.

1. A.
   held; being held
2. B.
   to be held; to be held
3. C.
   to be held; held
4. D.
   being held; to be held

Answer 1

D
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）。