从所给的四个选项中选择最佳答案 The lake is .There used to be a valley here until they dammed th
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从所给的四个选项中选择最佳答案
The lake is ______.There used to be a valley here until they dammed the river.
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A.machine-made B.hand-made
C.people-made D.man-made
试题答案
答案:D