英语翻译l gave him a smile,not sure whether he was joking or not

He was not sure whether it is right or wrong.是什么从句? 1.I did not know ___ him or not.A.whether to help B.if to he 四道英语选择,1.____ whether he will come or not.【D】A.I’m sure B.I’ I'm not sure ______ it's a good idea or not.A.whether B.that if he was not sure whether he was going in the right directi 英语翻译Whether a cup of coffee,is whether bitter or not or not 英语翻译 it is doubtful whether he knows it or not. whether he will come or not He is not sure whether he will be to write a Book He is not sure whether he __the job 从句判断He wasn't sure whether he ought to laugh or not.这个句子是什么从 whether和whether or not