单项选择Let's_____them,ok?A.go and help B.go helping C.to go and help D go help

问题描述:

单项选择Let's_____them,ok?A.go and help B.go helping C.to go and help D go help

A
习惯用法,一前一后发生动词用and 连接
e.g.Come upstairs and see my new dress!