_________ your computer in a cool and dry room.A.To keep B.Keeping C.Keep D.Keeps为什么是Keep呢?这几个有什么区别?怎么用?

问题描述:

_________ your computer in a cool and dry room.A.To keep B.Keeping C.Keep D.Keeps
为什么是Keep呢?这几个有什么区别?怎么用?