N
34. not ... at all 根本不……，一点儿不……。
这孩子一点儿也不可爱。
This child is not lovely at all.
像班里其他人一样，我根本不了解这位新老师。
I don't know this new teacher at all like all the others in my class.
35. not ... until ... 直到……才……
警察找不到那个丢失的孩子是不会回来的。
The policemen won't come back until they find the lost child.
直到下了第一节课，他才把作业交给老师。
He didn't hand in his homework until the first period was over.

O
36. One ... the other ... 一个……，另一个……
Some ... others ... 一些……，另一些……
我有两个爱好。一个是游泳，另一个是滑冰。
I have two hobbies. One is swimming, the other is skating.
周三下午有两节课。一节是化学，另一节是政治。
There are two classes on Wednesday afternoon. One is chemistry, the other is politics.
学生们都在做大扫除。一些在扫地，还有一些在擦玻璃。
All the students are doing some cleaning. Some are sweeping the floor, others are cleaning the windows.