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