英语从句判断

题目

英语从句判断
After five days' climbing in the mountains,they reached __________ they thought was the place they had been dreaming of.
where that what which
选哪一个?为什么
关键是原因,一定要解释清楚,句子结构上分析这是个什么从句?

答案

选what.这个句子含有两个从句.首先是what引导的宾语从句.即they reached what they thought was the place.其中,引导词what 在从句中又充当主语成分.即实际上是what was the place…….they thought是在关系词与从句...