题目内容：

3.16 Yesterday I took my car to the garage to have the serviceman __ the air-conditioner.
Yesterday I took my car to the garage to have the serviceman __ the
air-conditioner.
A.to check B.checking C.checked D.check
请说明理由,

优质解答

选D,have sb do sth,让某人做某事,这里是让服务人员检查空调的意思,所以是D,