( ) Today, many trees are still in the world. A. cutting down B. cut down C. being cu——青夏教育精英家教网—

摘要：( ) Today, many trees are still in the world. A. cutting down B. cut down C. being cut down

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从所给的四个选项中选择最佳答案

Today, too many trees are still ________ in the world.

[　　]

A．cutting down　　　 B．cut down

C．being cut down　　　D．cutted down

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