It was proved that the problem partly in the air pollution.A. liesB. liedC. layD. laid

发布时间：2020-08-16 10:35:36

It was proved that the problem      partly in the air pollution.
A. lies
B. lied
C. lay
D. laid

网友回答

A. lies
B. lied
(答案→)C. lay
D. laid
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