at对应时间点,具体到分钟.
at 14:25pm
in对应时间段
in a while,in May
on跟时间搭配时多是跟星期几...
on monday...
当有last,this,next修饰时,无需再用介词.
好像用early或late来修饰时要换成on,如:on the early morning.具体忘了(毕业太久了),看看别人是怎么说的.
1.What were you doing last Tuesday morning?为什么没有时间介词?
5个回答
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