用括号内所给单词的适当形式填空。

We use silk(丝)for making ________．(cloth)

用括号内所给单词的适当形式填空。

We use wood ________ paper．(make)

单词拼写：用括号中所给单词的适当形式填空。

Can you help Eddie ________ his summary?(finish)

单词拼写：用括号中所给单词的适当形式填空。

Without trees, we will have no wood ________ paper．(make)

单词拼写：用括号中所给单词的适当形式填空。

The students stopped ________ when the teacher came in．(talk)

单词拼写：用括号中所给单词的适当形式填空。

Birds can make ________ nests in trees．(they)

单词拼写：用括号中所给单词的适当形式填空。

Forests are ________ areas of trees．(large)

根据句意用括号内所给单词的适当形式填空。

Children always waste water for ________ games．(play)

根据句意用括号内所给单词的适当形式填空。

________ the light on．(not turn)

根据句意用括号内所给单词的适当形式填空。

I save water by ________ with it．(not play)