we know that trees are useful in our everday life.they ( ) u
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we know that trees are useful in our everday life.they ( ) us many
we know that trees are useful in our everday life.they ( ) us many things,such as wood,oxygen,rubber,medicines and many other things.they can( )tell us a lot about our climate.the following are the reasons.if you( )a tree ,you can see that ir has many rings.most trees gro one new ring( ) year.because of this reason,we know( )a tree is.a tree over a hundred years old means that it has more than a hun dred( ).when the climate ids dry or very cold,the trees do not grow very much and their tings are usually( ).when it is wet and warm,the rings are much thicker.if the tings are suddenly very thin or suddenly very thick,this means that the ( )changed suddenl
we know that trees are useful in our everday life.they ( ) us many things,such as wood,oxygen,rubber,medicines and many other things.they can( )tell us a lot about our climate.the following are the reasons.if you( )a tree ,you can see that ir has many rings.most trees gro one new ring( ) year.because of this reason,we know( )a tree is.a tree over a hundred years old means that it has more than a hun dred( ).when the climate ids dry or very cold,the trees do not grow very much and their tings are usually( ).when it is wet and warm,the rings are much thicker.if the tings are suddenly very thin or suddenly very thick,this means that the ( )changed suddenl
we know that trees are useful in our everday life.they ( provide ) us many things,such as wood,oxygen,rubber,medicines and many other things.they can(also )tell us a lot about our climate.the following are the reasons.if you(were )a tree ,you can see that ir has many rings.most trees gro one new ring(every ) year.because of this reason,we know( how old)a tree is.a tree over a hundred years old means that it has more than a hun dred(rings ).when the climate ids dry or very cold,the trees do not grow very much and their tings are usually(thinr ).when it is wet and warm,the rings are much thicker.if the tings are suddenly very thin or suddenly very thick,this means that the (climate )changed suddenl
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we know that trees are useful in our everday life.they ( ) u
We know that trees are useful in our everyday life .They giv
完形填空。 We know that trees are useful
英语任务型阅读题We all know that friends are important in our life.B
_______ useful computers are in our daily life!
comeputers are very useful in our lives,()they?
Trees are useful to men in three important ways:they give th
Trees are useful to men in three important ways:They p 1 the
英语翻译Trees are useful to men in three important ways:they giv
英语翻译Trees are useful to man in three important ways:they pro
Trees are useful to man in three important ways: They provid
英语翻译Trees are useful to us in three very important ways.They