用适当的数词填空。
(1)There are ________ letters in English alphabet (字母表).
(2)There are ________ hours in a day.
(3)There are ________ days in a year.
(4)Monday is the ________ day of the week.
(5)There are ________ days in a week.
(6)There are ________ days in October.
(7) ________ ________ is Christmas Day.
(8)There are ________ months in a year.
(9) Forty minus three is ________.
(10)There are ________ seasons in a year.