2. clean the board tidy the books tidy the pencils put the rubbish in the bin empty the bin wash the paint brushes close the window put the chair under the desk 擦黑板 整理书 整理铅笔 把垃圾放在垃圾桶 倒垃圾 洗画笔 关窗户 把椅子放在桌子地下

3. ______ the board ______ the books ______ the pencils ______ the rubbish ___ the bin ______ the bin ______ the paint brushes ______ the windows _____ the chairs ______ the desks clean tidy put in tidy empty wash close put under

4. a marketbuy food at

5. buy food at the market My mother has to buy food at the market. My father doesn’t have to buy food at the market.

6. a cup a cup of tea He has to drink a cup of tea every day. I don’t have to drink a cup of tea every day.

7. wash up My brother doesn’t have to wash up. My sister has to wash up.

8. He She It has got to … doesn’t have to…

9. mop the floor The robot has got to mop the floor. Mr. Lee doesn’t have got to mop the floor.

11. The robot has got to….. The robot doesn’t have to…. 2 3 4 5 6 7 8 9 10

12. take a cup of coffee to Mr. Lee The robot has got to take a cup of coffee to Mr. Lee.

13. Who doesn’t have to buy food at the market? Mr. Lee has got to buy food at the market. The robot doesn’t have to buy food.

14. wash up The robot doesn’t have to wash up. Mr. Lee has got to wash up.

15. clean the kitchen empty the rubbish bin The robot… Mr. Lee…

16. tidy the books tidy the clothes The robot… Mr. Lee…

17. help in the garden cook dinner The robot… Mr. Lee…

18. take photos of Mr Lee The robot… Mr. Lee…

19. Things to doRobotBill tidy the clothes ×√ empty the rubbish bin √× cook dinner ×√ wash up ×√ …has got to … / … doesn’t have to…

20. × × × √ √ √

22. help in the garden 在花园里帮忙 clean the bedroom 打扫卧室 empty the rubbish bin 清空垃圾桶 clean the kitchen 打扫厨房 tidy the clothes 整理衣服 wash up 洗餐具 cook dinner 做晚餐 tidy the sitting room 整理客厅 wash the sitting room 打扫客厅 wash the floor 打扫地板 mop the floor 拖地 buy food at the market 在市场买食物