A：You look so sad.（1）

What's wrong/What happened

What's wrong/What happened

？
B：A big fire happened in our neighborhood.Two people were killed in the fire.
A： （2）

I'm sorry to hear that

I'm sorry to hear that

.What caused the fire？
B：An old man forgot to turn off the gas.
A：We should be careful with fire.
B：（3）

Yes，you're right

Yes，you're right

.It's very important to remember "Safety First !"
A：（4）

What should we do if a fire happens

What should we do if a fire happens

？
B：We should calm down and don't be nervous.Try to find a safe way out.
A：Anything else？
B： （5）

We should call 119 for help

We should call 119 for help

.The firemen will help put out the fire.
A：You are right.