Question

It's very interesting ________ the students ________ a picnic in spring.

1. A.
   for; have
2. B.
   to; have
3. C.
   for; to have
4. D.
   for; having

Answer 1

C
解析：
点拨：此题考查It's+adj.+to do sth. 结构。题意是“对学生来说，春天去吃野餐是很有趣的。”此结构中it是形式主语，真正的主语是后面的动词不定式to do结构，“对……来说”用介词for。故答案C正确。