Lesson 5福海县解乡中心小学 覃晓霞Home rulesYou should:1. help to set the dinner table.2. go to bed early.3. keep your room clean.Home rulesYou shouldnt:1. read in bed.2. watch TV till late.3. make a mess in your room.roadcross thecross the road.You mustntYou must wait forthe .green lightYou mustnt on the ground.spitYou must .keep off the grassYou mustnt . pick the flowersYou mustnt . litterWe must .take good care of young childrenLook out. You mustnt cross the road now.You must wait for the green light.You mustnt spit on the ground.You must keep off the grass.You mustnt pick the flowers.You mustnt litter.No littering.We must take good care of young children