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B. Fill in the missing letters.
1. c ____ ____ ch : A bed in a doctor’s clinic

2. l ____ ____ ch : The meal you take at noon

3. d ___ ____ ____ m : You see this in your sleep

4. f ___ ____ ____ y : A small being with magical powers

5. st ___ ____ ____ ch : An organ in your body

6. in ____ ____ ____ ____ ____ on : You have this when germs enter your body

Grammar Skills

A. Using ‘must’ and ‘must not’

‘Must’ means ‘Do it’.

(If you don’t do it, you will be in trouble.)

‘Must not’ means ‘Don’t do it’.
We use ‘must’ and ‘mustn’t to talk about rules.

Read the sentences below.

 Children must wear uniform to school.

 You mustn’t forget your books to school.

 We must listen to our parents.
 You must not eat junk food too often.

Now fill in the blanks with must or mustn’t.

1. You ________________ talk to strangers.

2. Vehicles ________________ stop when the traffic light is red.

3. You ________________ see a doctor if you feel unwell.

4. We ________________ eat healthy food.

5. We ________________ wear a seat belt when we travel in a car.
6. We ________________ drive too fast.

7. You ________________ walk in the middle of the road.

8. Tomorrow, I have a test. I ________________ study hard.

9. You ________________ write on the walls.

10 You ________________ follow the traffic rules.
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Arrow-English Plus-4