初中英语单选（半夜有人么?）
- - 三模考完 下面是我错的单选题目 你只要告诉我为什么选这个答案就好
1.there is -------between classes()
A.ten minutes break B.ten-minute break C.a ten-minutes break D.ten minutes'break
我选了A答案是C
2five yeats -------a long time ,i think
A are B is C had been D have been
我选了A
3.what a dirty classroom!
yes the classroom needs ----
A clean B cleaned C to clean D cleaning
我选了C 我知道need 后面可以加to do也可以加doing ,他们区别是什么?
4.our school is ----yours
A as five big as B five times as big as C as five times big as D as big as five times 我选了C