用括号内所给的单词正确形式填空
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用括号内所给的单词正确形式填空
lt’s-----(importance)for us to study hard.
We must stop-----(cut)down the trees.
The water-----(pollute)is serious now.
Whose books are-----(this).
When will you come to-----(we)school.
lt’s-----(importance)for us to study hard.
We must stop-----(cut)down the trees.
The water-----(pollute)is serious now.
Whose books are-----(this).
When will you come to-----(we)school.
important
chutting
pollution
these
our
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chutting
pollution
these
our
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再答: ȷ����