题目内容：

I hear Mr black is coming to give us a talk _.
A in this afternoon
B on tomorrow morning
C at this evening
D next Mornday morning
为什选D,急

优质解答

什么情况下在表示时间的状语前不加介词?
我听说black先生下个星期一早上给我们演讲
is coming to 将满的意思
at在...时刻
in在...期间
on在...时候
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