EX5: Make rules in our class with must/ mustn't
1. must
2. must
3. mustn't
4. mustn't
5. must
6. mustn't
EX6: Match the sentences in column A with the sentences in column B. Then write full sentences by using because
1. E
2. A. he brushes them three times a day
3. D. we want to have a healthy living
4. C. she is very kind and skillful
5. B. He is having a toothache
EX 7: Write the questions and answer Why..? and because:
1. Why is she worried- Because she has to see a dentist
2. Why is Ba scared?- because he hears the sound of the drill
3. Why does she feel calm? - because the dentist is very kind
4. Why does Lan feel better?- Because she had a dentist fix the tooth
5. Why is Nam happy? - Because he has his teeth healthy
6. Why do they play soccer well? - Because they practice it every day.
7. Why do Lan and Hoa do morning exercise every morning?- Because they want to have a healthy life
I. Underline the best answer
1. to measure
2. heavy
3. Can
4. wash
5. relieved
6. to return
7. knows - knows
8. What is your height
9. temperature
10. medical
