摘要： If trees continue at the present rate, it won’t be there is no trees for shade. A. to cut down; long before B. being cut down; before long C. to be cut down; long before D. cutting down; before long
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If trees continue _______ at the present rate, it won’t be _______there is no trees for shade.
A. to cut down; long before B. being cut down; before long
C. to be cut down; long before D. cutting down; before long
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