选词填空,补全短文。
play, burn, matches, careful, cook

What do you know about fire? Fire is useful(有用的).With fire people can【小题1】food, warm themselves and frighten(使惊吓)animals, But fire can be very dangerous too. For example, it can 【小题2】down buildings and forests. So we must be 【小题3】with fire. We mustn't 【小题4】near fire and we mustn't play with【小题5】.

My _______ birthday is October 21st.

A．sister

B．sisters

C．sister’

D．sister’s

中英文互译。
1. playground ________     2. heavy_______
3. sometimes _________    4. 卖_________
5. 鸭子_________    

填空题。
【小题1】We can see some __________ (snowman) in winter.
【小题2】It's hot and sunny. We can see the big sun. It's __________.
【小题3】This gift is for my sister. It is __________.
【小题4】There are four __________ (season) in a year.
【小题5】Tina and Dino __________ a big family.

 （   ）

A．tree

B．three