trees in the past few years. A. A great number of; have been planted B. The number of; has been planted C. A number of; has planted D. A number of; have planted 查看更多

 

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_____ trees _____ in the past few years.

   A. The number of; has been planted                     B.A great number of; have been planted

   C. A great number of; has been planted                D. A great number of; have planted

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