What___you going to do next Saturday?

问题描述:

What___you going to do next Saturday?
A.are B.is C.be D.will
(请说明为什么...)

A
一般将来时的结构:
be going to +动词原形
will+动词原形
shall+动词原形
在这里是be going to +动词原形
i用am,you用are
is用于他,她,它