Unit 5 Encyclopaedias More Practice 【最新】七年级英语上册 Unit 5 Encyclopaedias More practice课 件 牛津广州版 课件 Practice Divide the students into two groups (A 但不指人时，单数用 it,复数用 they回答。例： Whos that? Thats Andy Liu. Whats this? Its an insect. What are those? They are apples. 。 (4)在介绍人时，我们常用 this指下面要提到的人， 而不用其它指示代词。 eg: Ladies and gentlemen, this is Dr Ray, she is going to give us a talk on trees. (5)打电话时通常用 this表示自己， that表示对方， 而不用代词 I和 you。 eg: -Hello, is that Mary speaking? -Yes, this is Mary speaking. Who is th
