Question

You'd better ________ your hair ________ after school. It's too long.

1. A.
   had; cut
2. B.
   have; cut
3. C.
   to have; cut
4. D.
   to have; to cut

Answer 1

B
解析：you'd better是you had better的缩写，had betterh后常接动词原形，意为“最好去做某事”；而短语have sth done意为“让别人来做某事”其中done为动词的过去分词。