题目内容
If we _______ take environment problems seriously , the earth ______worse and worse.
A.don’t ; won’t be B.won’t be ; isn’t
C.won’t ; is D.don’t ; will be
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题目内容
If we _______ take environment problems seriously , the earth ______worse and worse.
A.don’t ; won’t be B.won’t be ; isn’t
C.won’t ; is D.don’t ; will be