1.3.It’s hard to keep the room ____C_______ with three kids.
问题描述：
1.3.It’s hard to keep the room ____C_______ with three kids.
A.cleaning B.cleaned C.clean D.to clean
2.6._____A______ books is good for us.
A.Reading B.To reading C.Read D.Reads
答
keep the room clean就是保持房间干净的意思
keep sth.+ 形容词 就是保持什么东西什么样……
“读书”这件事对我们有好处……这里“读书”作为一件事,一个名词,而动词（read）不能用作名词,所以要将read + ing变成动名词……