if he was not sure whether he was going in the right direction什么意思

I was not sure if he was really interested or if he____polite.为什么用will j if he was not sure whether he was going in the right direction什么意思 this year he was not sure if Santa existed翻译谢谢 the man we followed suddenly stopped ang looked as if he was not sure whether he was going in the r i wasn't sure if he was really interested or if he _____polite.此处为什么填was just being 24.I wasn’t sure if he was really interested or if he polite.A.was just being i wasn't sure if he was really interested or if he was just being polite 翻译 I wasn't sure if he was really interested or if he___polite? I am not sure( )he will come or not空格中填whether 还是if? He stopped reading,for he was not sure whether______'h' in the word'honesty' was pronounced or not.anathe/ 翻译He looked behind him to make sure he was not being followed谢谢 he is still not sure if he_____(come）to my birthday party it was uncertain whether he would come中whether引导从句做表语,表语不是在系动词后吗,那为什么可以说i am not sure if he will come,求详解 He was not sure whether it is right or wrong.是什么从句? 英语翻译Do you think you are smart If you are not sure,read the folloeing story.When Thomas Armstrong was little,he did badly at school and was sent down a year.But later on,he found he was good at writing.He worked hard and became a wirter and t not so sure if it 快,急 造句,be sure和be not sure if/whether各二句. He was not sure that his manager's answer was right句子成分分析这是宾语从句?