---What can I help you sir?I’d like to have this watch.A. repairedB. repairC. repairi

问题补充：

---What can I help you, sir?

--- I’d like to have this watch.

A. repaired

B. repair

C. repairing

D. to be repaired

答案：

(答案→)A. repaired

B. repair

C. repairing

D. to be repaired

解析：考查have作为使役动词是用法，have作为使役动词可以搭配：have sb doing听任某人做…，have sb. do sth让某人做…，have sth. done请人做…,遭遇到…,这里的 this

watch和repair是被动关系，用过去分词做宾语补足语，句意：--要我帮忙吗，先生？--是，我想把手表修一下。选A。