[P64-24]This is a subject about _____ we might argue for a long while.

　　A) that B) it C) which D) what

　　注：作為介詞賓語用which不能用that，但in that 除外

　　介詞 + which + to do 其功能相當(dāng)于定語從句。

　　The key with which to open the door has been lost.

　　[P59-36]

　　The professor could hardly find sufficient grounds _______ his arguments in favour of the new theory.A) to be based on B) to base on C) which to base on D) on which to base

　　注： fici- 做 sufficient 足夠的 deficient 缺乏的 efficient 有效的(效率)

　　effect 有效(結(jié)果) proficient 熟練的 bene- 好 beneficial 有益benediction 祝福

　　[P12-50]You will want two trees about ten feet apart, from _________ to suspend your tent.

　　A) there B) them C) where D) which

　　[P13-59]

　　When a fire ________ at the National Exhibition in London, at least ten priceless paintings were completely destroyed.

　　A) broke off B) broke down C) broke out D) broke up

　　注：1. break off 斷裂(部分從整體上下來) 2. break up 打碎 3. break out 爆發(fā)

　　主謂一致

　　從句/ 不定式/ 動名詞做主語，謂語是單數(shù)。

　　Seeing is believing. / To see is to believe. 眼見為實(shí)。

　　You got 100 is a mystery to me.

　　從句在句子中做什么功能即為什么從句。

　　1、主語從句：

　　(1)主語從句做主語，謂語動詞單數(shù)。

　　(2)主語從句的引導(dǎo)詞：how, why, whether, that,what(引導(dǎo)的缺主語或缺賓語的從句)[P7-69]How close parents are to their children _________ a strong influence on the character of the children. A) have B) has C) having D) to have

　　[P13-55]

　　In some countries, _________ is called “equality” does not really mean equal rights for all people.A) which B) one C) that D) what

　　2、定語從句主謂一致：取決于其先行詞(定語從句所修飾的名詞)

　　3、隨前一致：以前面的名詞為準(zhǔn)。

　　A with B 取決于A as well as including with together with accompanied by

　　4、隨后一致：not A but B/ not only A but also B+ v. 與B一致

　　5、就近原則：以靠近的名詞為準(zhǔn)。

　　n1 or n2 +v. either n1 or n2 +v.

　　6、A and B 結(jié)構(gòu)：

　　(1)A and B 指同一個(gè)東西，是單數(shù)。

　　a lawyer and teacher law and order 法律法規(guī)

　　war and peace 戰(zhàn)爭與和平 bread and butter 基本生活必須品

　　butterfly 蝴蝶 To love and to be loved 愛與被愛