用所给单词的适当形式填空
Those books aren't ________ .
用人称代词或物主代词填空
Our class teacher is Mr Green. ________ teaches ________ English. ________ is a good teacher. We like ________ .
Jack is a very good student. ________ works very hard and helps ________ classmates with ________ lessons.
________must do your homework now.
Tom is in ________ room.
Look, the students of Class Three are on the playground. ________ are playing football.
This isn't my schoolbag. ________ is red.
I'm thirsty(口渴). Please give ________ some water.
按括号内的要求写出相应的单词
swim（现在分词） ________
用所给动词的适当形式填空
Tom and Tim often ________ football together. Look, they ________ now.
