Why ____ your homework,Jack?A.to do B.not to do C.don't you do D.no do 为什么这么做的,解析、
问题描述：
Why ____ your homework,Jack?A.to do B.not to do C.don't you do D.no do 为什么这么做的,解析、
答
是C因为ABC是一定的
答
C 改成陈述句得有主语啊，you是必须的
答
C.don't you do
Why don't you do sth = Why not do sth?干吗不做某事?
此句型主要用来表建议,而非真正意义上的疑问句