Na Na: What are you doing, Ni Ni?

Ni Ni:  Please pass me some matches.

Na Na:  It's dangerous.

Ni Ni: Don't worry. It's OK. (two minutes later)

Na Na: Look!  I can see smoke.

Ni Ni: Oh dear.  

Na Na: We can use water to put out the fire.  We must be careful with it.

Ni Ni: I'm sorry.

A. You mustn't play with matches，little boy. It's not safe. It's very dangerous.

B. Fire gives us heat and light. It can hurt people. We must be careful with fire.

C. Cover your mouth and nose and crawl out very fast if it is all smoky in a fire.

D. When you see a fire，you must go outside quickly. Don't use the lift.

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