定語從句引導詞：關系代詞

　　1. which 指物，who 指人，人物混用/前面有不定代詞/序數(shù)詞/最高級時用that。

　　2. which 用在非限制定語從句(有逗號)，如：

　　He always changed his mind, which makes me angry.

　　3. as 也可以引導非限制定語從句。

　　as與which 的區(qū)別：

　　1) which只能用在句子中間和后邊，而as可用在句首和句尾。

　　As makes me angry, he always changed his mind.

　　2) as 搭配：same as/ such as the same watch as you have

　　[P1-43]It wasn’t such a good dinner _______ she had promised us.

　　A) that B) which C) as D) what

　　[P11-67]___ is known to the world, Mark Twain is a great American writer.

　　A) That B) Which C) As D) It

　　[P42-58]The British are not so familiar with different cultures and other ways of doing things, _______ is often the case in other countries.

　　A) as B) what C) so D) that

　　[P63-17]We had to sleep in our wet clothes, _____ was most uncomfortable.

　　A) in which B) which C) where D) that

　　[P3-60]The goals _______ he had fought all his life no longer seemed important to him.

　　A) after which B) for which C) with which D) at which

　　注：1. fight for 為……而奮斗 2. fight with 與誰打架

　　[P3-56]The engine _______ smoke and steam.

　　A) gives up B) gives in C) gives away D) gives off

　　注：1. gives up 放棄 2. gives in 屈服

　　3. gives away 走漏風聲，贈送 4. gives off 釋放

　　[P3-57]

　　The manager promised to keep me ________ of how our business was going on.

　　A) to be informed B) on informing C) informed D) informing

　　[P42-62]We need a chairman _________.

　　A) for whom everyone has confidence B) in whom everyone has confidence

　　C) who everyone has confidence of D) whom everyone has confidence on

　　注：have confidence in 對……有信心

　　[P60-46]

　　Living in the western part of the country has its problems, _______ obtaining fresh water is not the least.

　　A) with which B) for which C) of which D) which

　　注： 1. of which 其中

　　2. On the one hand, On the other hand, Last but not least(最重要的)

　　3. face something = be faced with

　　4. 依照原句型造句：

　　Learning English has its problems, of which reciting words is not the least.

　　Students will face a lot of problems, of which improving yourself is not the least