题目内容
If people________ cutting trees down, forests________ sooner or later.
A.keep; disappear B.keep; will disappear
C.will keep; disappear D.will keep; will disappear
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题目内容
If people________ cutting trees down, forests________ sooner or later.
A.keep; disappear B.keep; will disappear
C.will keep; disappear D.will keep; will disappear