Manypeopleworryabou的知识精选

综合填空阅读短文,根据短文内容及首字母提示,在空白处填入一个适当的单词。Manypeopleworryabou...
问题详情:综合填空阅读短文,根据短文内容及首字母提示,在空白处填入一个适当的单词。Manypeopleworryaboutthe(1)e____________.Theysayweshoulduseourcarslessbecausetheypollutetheair.Weshouldcatchabusortrain(2)i__...
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