用适当的数词填空。
⑴There are ________ letters in English alphabet (字母表).
⑵There are ________ hours in a day.
⑶There are ________ days in a year.
⑷Monday is the ________ day of the week.
⑸There are ________ days in a week.
⑹There are ________ days in October.
⑺________ ________ is Christmas Day.
⑻There are ________ months in a year.
⑼Forty minus three is ________.
⑽There are ________ seasons in a year.
在括号里填写合适的英文数字。
⑴seven + ( ) =twelve ⑵( ) — four=nine
⑶three × five= ( ) ⑷( ) ÷seven=two
⑸( ) + ten= eleven ⑹( ) — one=twenty
⑺two × ( )= hundred ⑻( ) ÷ two=five
找出数字排列的规律，填上合适的英文数字。
⑴one ________ five ________ ________ eleven
⑵three ________ ________ twenty-four ________ ninety-six
⑶twenty ________ ________ ________ twelve ten
⑷sixty-four ________ ________ ________ four two
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