用括号中所给单词的适当形式填空。
（1）This book is_________(my).That book is_________(your).
（2）Tomorrow I'm_________(play)with my friends.
（3）There're(有)ten_________(dish)on the table.
（4）He is_________(skate)on the ice now.
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 + ( ) =twelve⑵( ) — four=nine
⑶three × five= ( )⑷( ) ÷seven=two
⑸( ) + ten= eleven⑹() — one=twenty
⑺two × ( )= hundred⑻( ) ÷ 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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