What you should do ( ) to try to do everything well括号里填is 还是 be

问题描述:

What you should do ( ) to try to do everything well
括号里填is 还是 be

is 因为what you should do是主语从句。知道句意,答案就出来了。
你应该做的就是尽力把所有的事情都做好。

is
这里是一个主语从句,主语是what you should do

is,这是主语从句
What you should do 是主语 is系动词 后面是表语
主语从句中what作do的宾语,不明白,