It is strange that he ( )the earth was flat.A think B thinks C will think D thought

问题描述:

It is strange that he ( )the earth was flat.A think B thinks C will think D thought
这题选哪个,为什么

这是主语从句的虚拟
答案应该是A think
It is strange that 从句,从句中应该用should+动词原形,should 可以省略