You can watch TV ______, but you can’t watch it ______ a long time.A.one, atB.on

You can watch TV ______, but you can’t watch it ______ a long time.A.one, atB.on

题型:不详难度:来源:
You can watch TV ______, but you can’t watch it ______ a long time.
A.one, atB.one, forC.first, forD.first, at

答案
C
解析

试题分析:句意:你可以先看电视,但是你不能看太久了。first表示首先,第一,for后接一段时间,表示动作一直延续,故选C
点评:序数词在句中可作主语、宾语、定语和表语。The second is what I really need. 第二个是我真正需要的。(作主语)He choose the second. 他挑选了第二个。(作宾语) We are to carry out the first plan. 我们将执行第一个计划。(作定语) She is the second in our class.在我们班她是第二名。(作表语)值得注意的是:序数词在使用时,通常前面要加定冠词 the;但是如果序数词前出现不定冠词a或an时,则表示“再——”,“又——”。
举一反三
There are _____________ doctors and nurses in that hospital.
A.thousandB.two thousandC.two thousandsD.thousands of

题型:不详难度:| 查看答案
There are_______ seasons in a year. Winter is_________season.
A.fourth; the fourthB.fourth; fourC.four;the fourthD.four;the four

题型:不详难度:| 查看答案
---The number of the students in our school is about nine _____.   ---I see. ______of them are boys.
A.hundred; Two thirdsB.hundred ; Two third
C.hundreds; Two thirdsD.hundreds; Two third

题型:不详难度:| 查看答案
    the students in this school is about four thousand,      of them are boys.
A.A number of, three fifthB.The number of, three fifths
C.A number of, three fifthsD.The number of, three fifth

题型:不详难度:| 查看答案
Our teacher said there would be ______ books in the new library.
A.thousandB.thousandsC.thousands ofD.thousand of

题型:不详难度:| 查看答案
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