He is very young.Iam not sure ____he can finish the work alone or not.A .how B .that C .whether D .if为什么不选D呀！短语有whether……or not,whether or not和if……or 有if……or not。whether或if均可表示“是否”的情况如

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He is very young.Iam not sure ____he can finish the work alone or not.A .how B .that C .whether D .if为什么不选D呀！短语有whether……or not,whether or not和if……or 有if……or not。whether或if均可表示“是否”的情况如
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He is very young.Iam not sure ____he can finish the work alone or not.A .how B .that C .whether D .if为什么不选D呀！短语有whether……or not,whether or not和if……or 有if……or not。whether或if均可表示“是否”的情况如
He is very young.Iam not sure ____he can finish the work alone or not.A .how B .that C .whether D .if
为什么不选D呀！短语有whether……or not,whether or not和if……or 有if……or not。whether或if均可表示“是否”的情况如下：引导宾语从句，例如
I wonder whether/if the news is true or not.

He is very young.Iam not sure ____he can finish the work alone or not.A .how B .that C .whether D .if为什么不选D呀！短语有whether……or not,whether or not和if……or 有if……or not。whether或if均可表示“是否”的情况如
选C whether表是否得意思
本句翻译为：他很年轻,所以我不确定他是否能够完成这项工作.
D项if是如果的意思,不能与or not连用,比如：
I don't know if he is at home or not.
I don't know whether he is at home.

C。

C

选C whether表是否得意思
本句翻译为：他很年轻，所以我不确定他是否能够完成这项工作。
D项if是如果的意思，不能与or not连用，比如：
I don't know if he is at home or not.
I don't know whether he is at home.

whether
他太年轻了，所以我不确定他是否能够完成这项工作
如果后面没有or not就可以选if，但有or not就只能选whether

听过whether....or not 这个短语没？应该就是这样·····

whether或if引导宾语从句时，如果从句中有……or not，那么只用whether
一般情况下，在宾语从句中用whether一定不错

if……or not ？你从哪里学的这个短语的...
if 不能加or not,只能是whether……or not

选C
他太年轻了 我不知道他是否能自己独自完成工作
在宾语从句中 if 和 whether都是 是否的意思 但是if不能和or not相连

This is my friend.He is-----outgoing than IamAmuch B much more C a little D a lot of moreYuan is quite but Iam very--------[loudly]-------he is very young,----he can do many thingsA though;/ B/;thoughshe looks same-----her sister-----some waysA as;as Look at man.He is very young.哪错了 给你man he a young is very怎么连成一句话? he is young and good-looking,and also very rich 1.My teacher is very young.He ________short straight hair. The boy is very young but he can d______ himself She is very young T_______ he is very young,he can speak English very well. He is very young.Iam not sure ____he can finish the work alone or not.A .how B .that C .whether D .if为什么不选D呀！短语有whether……or not,whether or not和if……or 有if……or not。whether或if均可表示“是否”的情况如 He is old (young). he is very old,() he works like a young man.里面是填and还是but? Though he is very young,he knows ____ ______ (许多）. This is my last job ,he said .Iam 60and Iam going to retire翻译 同义句转 Although my brother is very young,he works hard.My brother is very young,_ he works hard. M y science teacher is short and strong He is very young. M y science teacher is short and strong He is very young. He is very young.He can't go to school.合并一句:He is't () ()to go to school Tony is six years old.He likes ( )all kinds of books.( )he is very young,he knows.