基数词是用来表示数量多少的词。
序数词是用来表示事物先后顺序的词。
部分序数词是在基数词的基础上加上一定的后缀构成的,但是也有部分词形较为特殊的:
1.There are ________ stars in the sky at night.
A.thousands B.thousands of C.thousand of
2.Today is ________ first day of the new year.
A.a B.the C./
3.I finished ________ of my homework last night.
A.eighty percent B.eightieth percent C.eighty percents
4.My birthday is on ________ of June.
A.five B.fifth C.the fifth
5.We have lunch at ________ o’clock every day.
A.twentieth B.twelve C.twelfth
1.I have ________(2) brothers, and I am the ________(2) child in my family.
2.Today is the ________(21) of September.
3.There are ________(13) apples on the table.
4.He came in ________(3) place in the Olympic Games.
5.The first ________(5) students will receive a prize.
1.那个黑色包的价格为118元。
The black bag costs ________ ________and eighteen yuan.
2.你可以在那里找到数百栋极好的房子。
You can find ________ ________ wonderful houses there.
3.他七点半去上学。
He goes to school at ________ ________.
1.On Oct.16th, 2021, she became the first female astronaut to enter Tiangong space station.
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2.Our team got eighteen points and yours got twenty points!
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