Question

Yesterday I took my car to the garage to have them ________ the air-conditioner

1. A.
   to check
2. B.
   checking
3. C.
   checked
4. D.
   check

Answer 1

D
考察非谓语动词。句意:昨天我把我的车开到修理厂让他们检查了一下空调。Have sth done把某事做了，check的过去分词为checked，故选C。原答案有误。