作业帮 > 英语 > 作业

it suddenly occurred to him ( ) he had left his keys in the

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/10/04 00:12:48
it suddenly occurred to him ( ) he had left his keys in the office.a.which b.that
it suddenly occurred to him ( ) he had left his keys in the office.
a.which
b.that
为什么要选b,我感觉选a和选b都可以,
这里考的是主语从句,that引导的主语从句,which不可以引导主语从句.前面的it是形式主语而已.that...是真正主语.