Unit 4Revision and checka Put it on the desk.b Where is my school bag?c OK.d Its near the cupboard. bd a ca What does that sign mean?b It means you should keep off the grass.c It means No littering.d What does this sign mean?dbaca Whens your birthday?b OK.Thank you!c Would you like a puppet as a birthday present?d Its on the first of July.abcda It was here, but it isnt here now.b Look,theres a mobile phone on the bed.c Its in your bag, I think.d Yes, its my phone.Thank you!e Wheres my mobile phone?ecabdExercise time1 Open your workbook.(打开补充习题册打开补充习题册,做听力练习做听力练习)2 Talk about Picture2 and Picture4 in pairs. Goodbye!