早教吧作业答案频道 -->英语-->
whether 后面加了 or not 后,有什么不同?加NOT 有什么作用呀?I don't konw whether he has a dog (or not).
题目详情
whether 后面加了 or not 后,有什么不同?
加NOT 有什么作用呀?
I don't konw whether he has a dog (or not).
加NOT 有什么作用呀?
I don't konw whether he has a dog (or not).
▼优质解答
答案和解析
or not 写不写没什么区别的.
I don't konw whether he has a dog (or not).
但是,if 和whether有区别.上句中就不能用if,就因为后有or not.另外,其后是动词不定式时也只能用whether:
I don't konw whether to accept or refuse.
I don't konw whether he has a dog (or not).
但是,if 和whether有区别.上句中就不能用if,就因为后有or not.另外,其后是动词不定式时也只能用whether:
I don't konw whether to accept or refuse.
看了 whether 后面加了 o...的网友还看了以下:
求拉格朗日乘数求极值从二元单条件限制推广到多元多条件限制的证明如求F=f(X,Y,Z,T)在g(X 2020-04-25 …
Itusuallyatthistimeofyear,buttodayitisrainingheav 2020-05-13 …
请问:hadn"t done 和hasn"t done 和has to do 有什么不同?还有ha 2020-05-14 …
Miss Green has never been to japan,_______?A.hasn 2020-05-16 …
反义疑问句1、The poor man needs our help,______ he?A.ne 2020-05-16 …
用所给适当形式填空:1.Marry is not here.She____(go)to Henan 2020-05-16 …
t属于[-根号2到根号2],求2t/1-t^2的最值求导之后函数是单调递增的,所以把t=根号2带进 2020-06-02 …
写单词,这些单词打乱顺序了!:1.d,f,e,n,i,f,e,r,t,()2.g,h,o,e,t, 2020-07-26 …
(S="Student;"T=Teacher)S:Excuseme,Mr.Lee.31youhelp 2020-10-30 …
将下列字母重新排列组将下列字母重新排列组成单词,完成句子.1.Daveishis(u,n,c,o,i 2020-12-17 …