1. hair什么时候可数,什么时候不可数?
例: I: a few white hairs.
II: short hair.
2.When the trafic light is red, you needn't cross the road.
为什么用needn't 而不用 mustn't?
3.The trees are well looked after.
为什么不可以looked after well?
4.She was heard to sing a song.
He was found standing in the classroom.
被动态时, 什么时候用 to sth, 什么时候用 doing sth.
5. single room是标准房还是单人房?
6. I have no brother and no sister.
还是 I have no brother or no sister.
7. for ever 和 forever的区别和用法?
还有3天杭州市中考~~~大家帮忙回答~~能答多少答多少~~~~谢谢了~~~