______ fine mornings, old people get together and do exercise by the lake.A、On

游客2025-07-11  0

问题 ______  fine mornings, old people get together and do exercise by the lake.

选项 A、On
B、At
C、To

答案 A

解析 具体某一天及其早上、中午、晚上用on
转载请注明原文地址:https://www.tihaiku.com/zcyy/4156895.html
最新回复(0)