Let’s___ we are policemen A.pretend that B.pretend to C.pretending D.to pretend
问题描述：
Let’s___ we are policemen A.pretend that B.pretend to C.pretending D.to pretend
答
A.
that 引导从句
we are policemen是个完整的句子,不可能跟在to 或 ing后面