Question

You must have your hair _____

1. A.
   cutted
2. B.
   cutting
3. C.
   cuts
4. D.
   cut

Answer 1

D
考查have的用法。have sth. done“让某事被（他人）做”；have sb. do sth.“让某人做某事”；have sb. doing sth.“让某人一致做某事”。句意“你必须要剪头发了。”cut的过去式和过去分词是原形。故选D。