i _____ whether he will make good progress before long.A doubted B have no doubt C don't doubt D have a doubt 请问前面选择不可选择的原因是什么?

I wonder whether he He asked _____ or not I wanted to go there by train.A.if B.whether I don't know whether he _____(drops/will drop)by tomorrow. He asked _____ or not I wanted to go there by train.A.if B.whether C.what为什么选择B,whether.or 这句话.怎么翻译啊 I'd like to know _____ he still lives here.A.where B.what C.when D.whether I wonder whether he (come)or not 英语翻译26.I don't know _______ he will return the CD player to me tomorrow ._____ he returns it ,I'll lend it to you .A.if ,Whether B.whether ,Whether C.if ,That D .if ,If D 翻译:27.I'm not sure ______ the day after tomorrow .A.when does he co I wonder whether he ____try ()daredaresdare towill dareI wonder whether he ____try 没有末尾的括号 I wonder whether would mind _____(help)me. he asked me _____ I wanted to go to Beijing by train or by plane .为什么要用whether 而不用if I don't care whether he is _____ the plan or not .A.in favor ofB.on behalf of C.in his favor D.in the interest of 5 I don't know _____ he still lives here after so many years.A.whether B where C.what D.when 各位大侠帮忙分析下这个英语句子的句子成分吧.I am not sure,whether he began feeling guilty on his own or whether what I had added to her story made him feel sorry for what he had done.这里是whether...or引导表语从句 还是w I am not sure _____ he will come here oI am not sure _____ he will come here or not.答案给的是whether和if都可以,请问为什么if也可以呢? 1.It isn’t quite _____ ______ he will be present at the meeting.A.sure; whether B.sure; if C.certain; whether D.certain; thatC 为什么ABD不可以选?15.He treated all the people around him,______he knew or he didn't know,______.A.if,friendly B.w But I don't know whether he will miss I don't know whether he is w___ to come I ___ whether he is telling the truth.