27．Enough to stop the forest since the 1980’s. A．has been done; be cut down B．has done; c——青夏教育精英家教网——

摘要：27．Enough to stop the forest since the 1980’s. A．has been done; be cut down B．has done; cutting down C．has been done; being cut down D．had done; from being cut down

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Enough to stop the forest since the 1980’s.

A．has been done; be cut down

B．has done; cutting down

C．has been done; being cut down

D．had done; from being cut down

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Enough _______ to stop the forest _______ since the 1980’s.

[　　]

A．has been done; be cut down

B．has done; cutting down

C．has been done; being cut down

D．had done; from being cut down

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