理解文

Question

如何做4，5

谢谢

Answer 1

4. You mustn't call 999 as a joke to see what might happen as it will trouble those people who need it and you'll likely get in trouble with police officers and the laws.

5. You should call 999 after you escape from the house.

Answer 2

仅供参考：

4. Because a 999 emergency is when someone needs help right away because of an injury or immediate danger.

5. You should call 999 ASAP when you see the fire and you would get advices from the operator for how to escape or what to do before the rescue arrived.