did not know whether it is weal or pain?

did not know whether it is weal or pain? whether u want to know more about me or not,i will did so什么意思 I like you being as before brilliant,actually did not know that you read me whether still 1.I did not know ___ him or not.A.whether to help B.if to help C.how to help D.what to help I did not know whether my plan would work or not,but I decided to follow it anyway.这是什么句子 宾语从句判断、、、1、Do you know whether he is at home at all?( )2、Do you know whether is he at home or not?( )3、Please tell me when did you get up this morning.( ) My mother,（ ）whether anyone would come home to help her,had to prepare the supper all by herself.A.did not knowB.not knowingC.had not knownD.having not know为什么选B?D为什么不行? I did not know until yesterday, they did not know which end was I don't know _________he will come or not tomorrow.________he come,I will tell you.a.if If b.if Whether c.whether If d.whether Whether not because you are not important,but I don't know whether I important in your I don't know whether I should take his advice or not. whether 能用if替换吗?why? I did not like the man.Do you know? first ,i did not know who she was I like you,you did not know firmly She looked at me ( ) she did not know me. He actually did not know that you like In fact,you did not know they could have been