e.g. There is the matter that I can do.

3．只用which不用that的情况

1）介词后

2）逗号后，即非限定性定语从句中

3）句中已经有that的时候

e.g. That which is evil is soon learnt. 学坏容易。

4．whose = the +名词+ of + which/whom 指"某人/物的"

when = at /in /on 等介词+which

where =at /in /on /from /to等介词+which

why =介词for + which

I. English proverbs

1. He who laughs last laughs best. 谁笑在最后，谁笑得最好。

2. Those who live in glass houses should not throw stones.

家居玻璃房，切忌乱扔石。（自己有弱点，勿揭他人短。）

3. When in Rome do as the Romans do.（入乡随俗）

4. He who does not reach the Great Wall is not a true man. 不到长城非好汉。

5. He who has a lazy hand has an empty mouth.手懒饿肚皮。

6. He that loses his honesty has nothing失去诚实就失去了一切

7. God helps those who help themselves.自助者天助。

8. He who does not advance loses ground. (=anyone who does not advance loses ground.)

　　逆水行舟，不进则退。

9. He who laughs on Friday will weep on Sunday. 乐极必生悲。

10. They who cannot do as they would must do as they can. 事不由己，也需努力。