It's hard for a family with three kids to keep the house( )A.clean B.to clean C.cleaned D.cleaning
问题描述：
It's hard for a family with three kids to keep the house( )
A.clean B.to clean C.cleaned D.cleaning
答
选A
意为（对3个孩子的家庭来说，让房间干净是困难的。）
keep可加动词ing或形容词。在这时clean形容词，表示干净的
答
A。 keep the house clean 使屋子保持干净
楼上说的 keep doing 一直做某事 显然不合适~~
答
A.clean
此时的clean为形容词,意思是“干净的”
答
D keep+doing