1. 宾语从句可由连接代词who, whom, whose, what, which等引导，它们在宾语从句中可作主语、宾语、表语和定语等，因而不能省略。例如：[文章版权 禁止转载:考试与评价 http://www.trgroup.com.cn/te/ z@oE7;wi5"A&F2eaEEFroG]

    Do you know who'll give us a talk？你知道谁给我们作报告吗？[文章版权 禁止转载:考试与评价 http://www.trgroup.com.cn/te/ 68dpkrljdv8"n($FroG]

    Did you hear what I said? 你听见我的话了吗？[文章版权 禁止转载:考试与评价 http://www.trgroup.com.cn/te/ MI&x=We_7
@g#Q8bFroG]

    Could you please tell us which gate we have to go to?请告诉我们得走哪个门好吗？[文章版权 禁止转载:考试与评价 http://www.trgroup.com.cn/te/ -NK3(I:P I=ZQZp3FroG]

    2. 宾语从句可由连接副词how, where, when, why等引导，它们在宾语从句中作状语，不可省略。例如：[文章版权 禁止转载:考试与评价 http://www.trgroup.com.cn/te/ Sq0OJ2
|hB4[P`u{RFroG]

    Tom's father asked him why he was doing that. 汤姆的父亲问他为什么那样做。[文章版权 禁止转载:考试与评价 http://www.trgroup.com.cn/te/ hMC+p=&\bpdp=Sk]FroG]

    Can you tell me how I can get to the post office, please？请问到邮局怎么走？[文章版权 禁止转载:考试与评价 http://www.trgroup.com.cn/te/ _HT!-56aoNnKO1NF*FroG]

    3. 可接连接代词或连接副词引导的宾语从句的动词有：see, say, tell, ask, answer, decide, know, find out, show, remember, choose 等。例如：[文章版权 禁止转载:考试与评价 http://www.trgroup.com.cn/te/ r8!mLb# 8
4,pOK]P@FroG]

    We can't decide who should open it first． 我们不能决定谁应该先把它打开。[文章版权 禁止转载:考试与评价 http://www.trgroup.com.cn/te/ =\WPXZ:@8Ia[D?*vFroG]