用方框中所給單詞的適當形式填空,使短文通順正確、連貫(每個單詞限用一次)。

This month’s goal for helping to save our planet!
Week1: This week,my family tried to save electricity.We never left the lights _小題1:___ when leaving the rooms.We switched off the TV when __小題2:___was watching it.Mum only used cold water in the washing machine.
Week2: We started recycling this week.We tried to write on ___小題3:__ sides of our paper,not just on one side.We also divided our rubbish into ___小題4:__bags for bottles,cans,paper and food.Plastic bags from the supermarket were ___小題5:___so we can use them again as rubbish bags.
Week3: We stopped taking long baths and had short showers ___小題6:___.We flushed the toilet with __小題7:___ water.When mum and dad made tea or coffee,they used less water in the kettle(水壺).My sister and I didn’t leave the tap running when we brushed our ___小題8:__.
Week4: Mum used to __小題9:___ us to school,but now my sister and I have started riding bikes to school.This week dad and a few of his workmates started to go to work together in one car and share the cost.My fridends and I became volunteers at school.We are taking the __小題10:____step to help make our school more earth-friendly.