he left the class__all the windows__ A.with open Bwith closed 答案是B.而在另一个题目一样

he left the class__all the windows__ A.with open Bwith closed 答案是B.而在另一个题目一样
he left the class__all the windows__
A.with open Bwith closed
答案是B.而在另一个题目一样.选项是A.with open Bwith close 时是选A...
为什么这样?是open用on还是什么?
2.Tom works very hard and he _________sleeping late
A,used toBis used to答案是B为什么是这个 ?为什么不是A?被用来睡得晚?
3.I'm looking up the comics in the newspapers
comic为什么加s.因为newspaper么?如果newpaper是单数comic就用单数么?还是怎样?
4.我这儿有许多朋友.我们可以想他们求助
I have______________________friends here .we can ask them for help .
怎么答案是quite a few而不是 a lot of..有什么区别么?
但为什么A不行open也是形容词