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Theremorethan300,000kindsofplantsontheearth.A.isTheremorethan300,000kindsofplantsontheearth.A.isB.areexistingC.existsD.exist满分:2分

题目详情
There____________more than 300,000 kinds of plants on the earth.A.is
There____________more than 300,000 kinds of plants on the earth.A.isB.are existingC.existsD.exist 满分:2 分
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答案和解析
答案是 are 或者是exist --------more than 300,000 kinds of plants是复数形式.