代詞分人稱代詞、物主代詞、反身代詞、不定代詞、指示代詞、關系代詞和連接代詞，它們在句子中承擔不同的功用。
連接代詞：是用來引導主語從句、賓語從句和表語從句，連接代詞有 what，who，whom，whose，which。
一、what可引導名詞性從句，作主語和表語?！皐hat”兼具先行詞和關系代詞的性質(zhì)，what=the thing（things）that
1）Continue to be you are before you find an exercelent job！
[A] who[B] that[C] what[D] which
2） would be a fairly long speech in a play is often presented as a recitative（宣敘部）in opera.
[A] That[B] There[C] It[D] What
二、代詞who（m），which和what可以和ever構(gòu)成復合代詞（whoever，whomever，whichever，whatever），它們起強調(diào)作用，都兼具先行詞和關系詞的作用。表示“所有，一切”意。whoever和whomever作為復合代詞，前邊有介詞，如果單純作介詞的賓語用whomever；如果介詞后邊的復合代詞引導從句，則用whoever。
3） it is you have heard，you’d better ask him about it in person.
[A] Whatever [B] However[C] That[D] Although
4）The government will sell public houses to provides enough amount of money for the government further investment.
[A] whoever [B] those[C] people[D] who
三、有時這些復合代詞還可以引起狀語
5） the size or nature of a business，its main goal is to earn a profit.
[A] Whatever[B] Of[C] Whereas[D] Because
四、例題解析
1）C為正確答案。2）D為正確答案。3）A為正確答案。4）A為正確答案。5）A為正確答案。
連接代詞：是用來引導主語從句、賓語從句和表語從句，連接代詞有 what，who，whom，whose，which。
一、what可引導名詞性從句，作主語和表語?！皐hat”兼具先行詞和關系代詞的性質(zhì)，what=the thing（things）that
1）Continue to be you are before you find an exercelent job！
[A] who[B] that[C] what[D] which
2） would be a fairly long speech in a play is often presented as a recitative（宣敘部）in opera.
[A] That[B] There[C] It[D] What
二、代詞who（m），which和what可以和ever構(gòu)成復合代詞（whoever，whomever，whichever，whatever），它們起強調(diào)作用，都兼具先行詞和關系詞的作用。表示“所有，一切”意。whoever和whomever作為復合代詞，前邊有介詞，如果單純作介詞的賓語用whomever；如果介詞后邊的復合代詞引導從句，則用whoever。
3） it is you have heard，you’d better ask him about it in person.
[A] Whatever [B] However[C] That[D] Although
4）The government will sell public houses to provides enough amount of money for the government further investment.
[A] whoever [B] those[C] people[D] who
三、有時這些復合代詞還可以引起狀語
5） the size or nature of a business，its main goal is to earn a profit.
[A] Whatever[B] Of[C] Whereas[D] Because
四、例題解析
1）C為正確答案。2）D為正確答案。3）A為正確答案。4）A為正確答案。5）A為正確答案。