2016-2017学年 人教版 必修三 Unit 4 Astronomy :the science of the stars grammar课件 (11)
2016-2017学年 人教版 必修三  Unit 4 Astronomy :the science of the stars grammar课件 (11)第3页

浅性认识:

I.判断以下句子哪一个是主语从句. 1.It is important that we keep a balanced diet. 2.I don’t know where to go . 3.What you learn today can be very useful. 4.How to do it is a question. 5.His discovery has not yet been proved. 6.That we won the match at last excited everyone.