题目内容
() 6. —The weather is awful.
一Yes. There,s too much dust. Air pollution is us. .
A. harms to B. harm for C. harmful to D. harmful for
6.C
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题目内容
() 6. —The weather is awful.
一Yes. There,s too much dust. Air pollution is us. .
A. harms to B. harm for C. harmful to D. harmful for
6.C