比如—the morning,—a/an+adj.+morning,—the9:00p.m.last night应该填at/on/in还是其他?

问题描述:

比如—the morning,—a/an+adj.+morning,—the9:00p.m.last night应该填at/on/in还是其他?

in the morning
at a/an/the adj morning
at pm

in the morning.
in a/an adj. morning
at the 9:00 p.m.last night
望采纳~

in the morning 表示泛指的一般的早上
on a/an+adj.+morning 表示具体的
at the9:00p.m.last night 时间点用at