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 project 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 wa