We must do _______ the Party ________ us.

问题描述:

We must do _______ the Party ________ us.
A.as,tell B.as,tells C.what,tells D.what,tell

C
主句 we must do...缺宾语,所以要有个 what
后面的 the party________ us是宾语从句,修饰what的
the party 是单数,所以用 tells 而不是 tell