课件21张PPT。Unit 4
Advice on how to keep healthy
Lesson 27new wordslet's learnHow can I keep my teeth strong and healthy?You need to brush your teeth well.You also need to see dentist.Let's pratice!I brush my teeth in the morning.I brush my teeth before go to bed.I often visit the dentist for a check up.Choose the right one1.I wash my hands_______________
A. before I have dinner
B. after I have dinnerA2.I brush my teeth_______________
A. before I go to bed
B. after I go to schoolA3.The grass is wet_______________
A. before it rains
B. after it rainsBLet's think!What have we learnt in this class?HomeworkFinish the exercise in your text book. And try to use “need” make 3 sentences.Thank you