1. Which statement is TRUE about the heating system?
a. It is still very cold.
b. It is not very cold.
c. It is already hot.
2. Who has checked the heating system?
a. The neighbours.
b. The officers.
c. The engineers.
3. What's been blocked?
a. The whole system.
b. The switch.
c. The filter.
4. What solution does Melinda offer?
a. Repair the filter.
b. Clean the filter regularly.
c. Buy a new filter.
5. Is Peter satisfied with the solution?
a. Almost.
b. Yes.
c. No.
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