30. It was once called the Sea of Bamboo, but now only one fifth of the area covered with bamboo, and sixty percent of other plants taken the place of the bamboo.
A. are; have
B. is; has
C. is; have
D. are; has
网友回答
A. are; have
B. is; has
(答案→)C. is; have
D. are; has
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