高等继续教育 / 大学英语语法
正确率:100%
题型描述: 单选题
Never in the history of mankind ____ so many people on earth.
A.have been there
B.been there have
C.there have been
D.have there been
Never in the history of mankind ____ so many people on earth.
A.have been there
B.been there have
C.there have been
D.have there been
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