15. Three quarters of the land here wet land, an ideal place for migrating birds. A. are

发布时间：2020-08-16 06:31:25


15. Three quarters of the land here      wet land, an ideal place for migrating birds.
A. are
B. is
C. have been
D. Being

网友回答

A. are
(答案→)B. is
C. have been
D. Being
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