I)WORD FORM
1;SICKNESS
2;HEIGHT
3;TOOTHACHE
4;ILLNESS
5;WAITING
II. Put the words in the right order:
1. What are the symptoms of the common cold?
2. Millions of people catch the common cold every year.
3. Did your father write a sick note for you, Lan?
4. Let me ask you some questions before we start.
5. The principal told Nam to go back his classroom.

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