He asked whether I would do something (kindness)for him能告诉我为什么这里要填kind吗?请把相关的语法点告诉我

He asked me whether I could help him.这里为什么用could He asked _____ or not I wanted to go there by train.A.if B.whether 翻译He asked if/whether I got up at 6:00. I wonder whether he he asked me if i know where he lived,用if不行的吗?一定要用whether?为什么? 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 改错 she asked him that he could do some shopping for herMr.smith asked me whether I had done my homework yesterday. He asked me whether I____(know)his sister为什么 he asked me whether I___(know)his name. 选择题要解析“Have you seen the film?he asked me.==>He asked me()A had I seen the filmB whether I had seen the filmC if I have seen the filmD have I seen the film 为什么he said,''did you see him last night变为he asked me whether i had seen him the night before为什么改成 whether i had seen ,had是怎么改的?seen是怎么改的 Tom asked whether I c( )go to London with him I asked your secretary whether she couldcome or not He asked me___early.A.whether to start B.whether starting C.whether we start D.if to start I asked her whether she had lookedI asked her whether she had looked at a map yet.怎样念, the boy asked( )any noise from outside.A.whether had I heard B.whether I had heard C.whether have I heard D.whether I have heard I asked her whether she was enjoying her dinner是否可以用if代替whether he asked me _____ I wanted to go to Beijing by train or by plane .为什么要用whether 而不用if