作业帮请大家帮我回答一下几个英语句子,
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请大家帮我回答一下几个英语句子,
1.A big fire ____ down the house yesterday.
2.Tree can fight air _____.They are natural air conditioners.
3.People cut down and ______ large amounts of forests every year.
4.Trees can ______ their neighbours about ______ attacks.
5.We don't know how trees _____ with one another.
6.In summer,trees can _____ us from the hot sun.
1.A big fire ____ down the house yesterday.
2.Tree can fight air _____.They are natural air conditioners.
3.People cut down and ______ large amounts of forests every year.
4.Trees can ______ their neighbours about ______ attacks.
5.We don't know how trees _____ with one another.
6.In summer,trees can _____ us from the hot sun.
1.burned
2.pollutions
3.use
4.informs; malicious
5.communicates
6.protect
2.pollutions
3.use
4.informs; malicious
5.communicates
6.protect