fine mornings, old people get together and do exercise by the lake.A. AtB. onC. ToD. In

发布时间：2020-08-21 05:24:11

     fine mornings, old people get together and do exercise by the lake.
A. At
B. on
C. To
D. In

网友回答

A. At
(答案→)B. on
C. To
D. In
解析：在具体一天的早上，用介词on
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