辨别下列名词性从句的类别：1.How the book will sell depends on its author.2.John said that he was leaving for London on Wednesday.3.The fact is that he has not been seen recently.4.The fact that he has not been seen recently disturbs everyone in his office. 5.He will talk to us about what he saw in U.S.6.It is impossible that I go and attend the meeting.1.We heard the news that our team had won.2.We must face the fact that we had spent all our money.3. The news that he told me yesterday
