辨析:介词 in,on 和 at 表达时间

介词
适用范围
例子
in
指一段时间或与上午、下午、晚上、年、月、季节连用。
in the morning/afternoon/evening,in 2020,in September,in summer
on
指在具体的某一天或某一天的某个时间。
on the morning of Friday,on a windy night
at
1.后接具体的时刻;
2.用于和时间有关的固定短语。
at six o'clock,at ten o'clock,
at noon,at night


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习题练习
单选题

Most of the villagers took part in the Dragon Boat races _____ 9:00 a.m._____ the morning of July 18.

A

at; in

B

at; on

C

on; in

D

on; on

题目答案

B

答案解析

暂无解析
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