根据提示,完成下列句子。(每空填一个单词,每题1分,共5分)
1.我们应该保护河流不受污染。
We should the rivers .
2.他死之前为科学作出了巨大的贡献。
He a great science before he died .
3.他下决心在周五前完成这项工作。
He get the work done before Friday .
4.如果没有人叫你的名字我也认不出你。
I you, either,if someone hadn’t called you by name.
5.UN代表着联合国。 UN the United Nations.protect, from being polluted 2.made , contribution to
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(答案→)protect, from being polluted 2.made , contribution to
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