whether he will be able to pass the exam____unknow为什么填IS

It's ----he will be able to come.A.a doubt whether B.doubtful whether He is not sure whether he will be to write a Book同义句,用certain It remains to be seen whether he will succeed. She didn't know___ back soon.A.whether he would be B.if would he be C.he will be详解 I don't know [ ] this evening.答案为什么选a?a.if he will be freeb.whether he is freec.when he is freed.when is he free The mayor wasn't sure whether he will be re-elected or not. 请问这句whether可否改成if whether 和 if 的选择题I don't know ____________this evening.A. if he will be free B. whether he is free 改选哪个 要解释清楚 谢谢各位为什么不用将来时呢 whether he will be able to pass the exam____unknow为什么填IS Please let me know about it _____.A when he will come B whether he will come C when he comes D whether he comeswhen he comes 为什么不能用whether 为什么when 后不能用将来时 he will be a man for I have never doubted -----he will come today,but I do doubt-----he will come on time.A.that,that.B.whether,that.C.that,whether.D.whether,whether麻烦再翻译一下整个句子 英语选择 （）,i will marry him all the same.A.was he rich or poorB,whether rich or poor.C,were he rich or poor.D,Be he rich or poor, How one presents himself at an __________ will often decide whether or not he will be given a job.A.occasionB.easeC.investigationD.interview选哪个 ,咋翻译嘛 We won't know whether it will be successful.We won't know whether there will be good _____.A.ends B.results C.effects D.causes whether与or not在句中不相邻时whether是否可以改为ifIt is a question whether he will come or notwhether 是否可换成if Dose the worker care whether their baby will be a boy or a grirl? _______ he will attend the meeting is not clear.A.Whether B.If C.That D./ she is in doubt ___ he will come?中间填充A that B.whether