问题
选择题
_____ fine mornings, old people get together and do exercise by the lake.
A．At
B．on
C．To
D．In
答案
答案：B
在具体一天的早上，用介词on
搜题请搜索小程序“爱下问搜题”
_____ fine mornings, old people get together and do exercise by the lake.
A．At
B．on
C．To
D．In
答案：B
在具体一天的早上，用介词on