题目内容
【题目】______ exactly what was wrong with him, the doctors gave him a complete examination.
A. To discover B. Discovering C. Discovered D. Having been discovered
【答案】A
【解析】考查动词不定式。句意:为了查明他到底怎么了,医生给他做了一个完整的检查。用动词不定式表目的,故答案为A。
练习册系列答案
相关题目