问题
选择题
Yesterday I took my car to the garage to have them ________ the air-conditioner.
A．to check
B．checking
C．checked
D．check
答案
答案：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。