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1、名词性从句练习1.What he needs are enough time and what i need is enough books.2.The problem is more and more young people are getting into the habit of smoking.3.If he is an engineer is unknown.4.What she wants to know is if she should attend the conference.5.At the meeting he raised a question if the proj
2、ect would be concelled.6.It depends on if its going to rain.7.We expressed the hope which the Browns would come to China again.8.The reason why he failed in the exam was because he was too careless.9.No matter who comes to visit the exhibition is welcome.1. 改正：What he needs is enough time and what I
3、 need are enough books. 解释：what引导的主语从句，动词的数应该根据事实来判断。2. 改正：The problem is that more and more young people are getting into the habit of smoking.解释：表语从句的that不能省略。3. 改正：Whether he is an engineer is unkown. 解释：主语从句的“是否”只能用whether,不能用if.4. 改正：What she wants to know is whether she should attend the confe
4、rence. 解释：表语从句的“是否”用whether，不能用if。5. 改正：At the meeting he raised a question whether the project would be cancelled.解释：同位语从句的“是否”用whether, 不能用if。 6. 改正：It depends on whether its going to rain.解释：介词后的宾语从句的“是否”用whether, 不能用if.7. 改正：We expressed the hope that the Browns would come to China again.解释：同位语从句的引导词t不用which用that.8. 改正：The reason why he failed in the exam was that he was too careless. 解释：用表语从句来解释原因时，引导词用that, 不用because.9. 改正：Whoever comes to visit the exhibition is welcome.解释：no matter不能引导主语从句, 但是whoever可以。