Before ____ the house,you should get a surveyor____ over it.

问题描述:

Before ____ the house,you should get a surveyor____ over it.
A) buying...looking B)having bought...to look
C) buying...to have looked D) buying...to look

这题选D 第一空英填动词的ing形式,因为它在介词before后面,这里不存在完成时.第二空应该是get to do,表示一种目的.整句话的意思就是“买这所房子之前,你将得到一商检看一下”