单项填空（4题）
1._____ second day of this month is September 2nd.
A.A；B.The；C.An；D./
2.—When is your birthday party?
—It's _____ 4:00 in the afternoon.
A.on；B.at；C.in；D.of
3.—How many _____ are there in a _____?
—There are twelve.
A.days; year；B.hours; day；C.dates; day；D.months; year
4.When do you get up(起床) _____ Sundays?
A.in；B.at；C.on；D.for