用（on,in,at,to）等填空
1.Were you ( )the country last week?
2.Where were you( )march 9th.
3.Is Teacher's Day ( )October?
4.We eat our lunch ( )12:00 every day .
5.I usually spend the weekend( )home.
6.When were you ( )the doctor's?
7.She is going to arrive( )Rome( )nime.
8.We were( )japan( )2008.
9.It's very cold ( )Canada( )December.
10.I fenish school( )half past three.
11.Father alway goes to a club( )Friday afternoons.
12.My mother got a big resent( )Mother's Day.
13.It's dark（ ）midnight.