PPT预览
Teacher:Hey, boys and girls! Don't leave your things like this. Put them away. Students: OK! Teacher: Mike! Is this your schoolbag? Mike: Yes, it is. Teacher: ls this your activity book,Ann? Ann: No, it isn't.That's my activity book.
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Teacher:Hey, boys and girls! Don't leave your things like this. Put them away. Students: OK! Teacher: Mike! Is this your schoolbag? Mike: Yes, it is. Teacher: ls this your activity book,Ann? Ann: No, it isn't.That's my activity book.
