用介词in\on\at\或\填空her birthday is___May 2nd,2002we have a book sale ___next monththey are busy___four o’clockmy sister can go there___that day.we are really busy___this week
问题描述：
用介词in\on\at\或\填空
her birthday is___May 2nd,2002
we have a book sale ___next month
they are busy___four o’clock
my sister can go there___that day.
we are really busy___this week
答
1 on
2/
3 at
4 on
5 /