摘要： If more and more wetlands disappear, there will be and space for plants, animals and birds. B. 用所给动词的适当形式填空.
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用所给单词的适当形式填空
1．There are many ________ in the box．
2．I hope you will understand the ________ of study．
3．If more and more wetlands disappear, there will be ________ and ________(little)space for plants, animals and birds．
4．________ and ________(many)birds are in danger because they do not have enough space．
5．It is ________ for you to cross the road．