4.关系副词的省略

(1)当先行项是reason，且在定语从句中作原因状语时，关系副词why或that可以省略。The reason(why/that)he failed was his laziness．

他失败的原因是因为他懒惰。That is the reason I did it．

那就是我做那件事的原因。

(2)当先行项是way，且在定语从句中作方式状语时，关系副词in which或that可以省略。

The way(in which/that)these people look at problems is wrong．

这些人看待问题的方式是错误的。

That was the way(in which/that)she worked the problem out．

她就是用那种办法来解决问题的。

(3)当先行项是time和moment等表示时间的先行项时，关系副词when，that往往省略。

The second time(that)I saw him was in 2000．

我第二次见到他是在2000年。

I don't know the exact time(when/that)the sports meeting will take place．

我不知道运动会举办的确切时间。

(4)当先行项是place时，关系副词where，that可以省略。

The place(where/that)we will have our picnic is not decided yet．

我们举行野餐的地点还没定下来。

This is the right place he was born．

这儿就是他的出生地。(注意:句末不可用介词in)