用适当地的词填空.帮忙说说为什么要这么填！跪谢！！！

Question

1、He awlays goes swimming_____July.
2、He is leaving____London____August 16.
3、I'll have a race___him.
4、Marry's office is____the sixth floor.
5、That news was____yesterday's newspaper.
6、The earth moves____the sun.
7、They hold a festival ---Independence Day.

Answer 1

in 月份前用in
in on具体日期前要用ON
with
on楼层也用ON
in
around
on
英语没有为什么,只是一种习惯

Answer 2

1.in
2.for on(leave for=go to)
3.with(和某人的比赛）
4.on
5.on
6.around
7.called