Question

All the people ________ at the party were his supporters．

1. A.
   present
2. B.
   thankful
3. C.
   interested
4. D.
   import

Answer 1

A
解析：
题意为“所有出席宴会的人都是他的拥护者”。be present at“出席……”作定语时，省去“be present at”作了后置定语，be interested in“对……感兴趣的”，故只能选A。