whether既然连接句子,为什么Mr.Smith didn't know whether to leave or stay there.

whether既然连接句子,为什么Mr.Smith didn't know whether to leave or stay there. The students wanted to know whether Mr.Smith could speak Chinese这个句子中,whether是否能换成if 为什么? We don’t know 【whether to do】 in next.let’s go and ask Mr Li.括号中为什么填whether to do?而不是what to do? 关于whether与ifI have no idea whether to visit my grandparents this Sunday.这句句子当中为什么只能用whether,不能用if?请详细回答```` 一道英语题,如下.We are talking about ______ we’ll go back tomorrow. (whether, if) 这里为什么要用whether用wheather不是1、有not,or等连接 2、后有动词不定式 3、作主语可是这个句子是属于什么?我没看出来. 为什么只能用whether I'm not sure--------he will come tomorrow.中间为什么不能用whether来连接 I'm not sure＿＿＿＿he will come tomorrow.中间为什么不能用whether来连接 Mr.Li put a box under his arm.Mr.Li hurried to go to work.用with连接2个句子 为什么Whether he will come is not clear.这个句子是一个同位语从句啊. 英语句子：From now on,he will wear a suit all day and others will call him'Mr Bloggs',not 'Alf'.1.这个句子的完整表达是怎样的?2.and不能单独连接两个句子对不对?为什么这个句子却这么使用?又如：Alf did this for We don not know()it next.Let us go and ask Mr.Li.A.what to do B.to do what C.whether to do D.to do whether为什么？ we don't know ( )it next.Let's go and ask Mr.Li.A.what to do B.whether to do选哪个呢?为什么? Mr.Yang always thinks of __he can do more for others.A Whether B which C that Dwhat,为什么?怎么分析? We haven’t settled the question of whether it is necessary for him to study abroad.这个句子是什么从句?为什么whether前面要加一个of呢? 这个句子中的whether 为什么不能用if替换?there is still some doudt whether the meeting will be held in our school SAT中能连接两个句子的词...And, but, because, whether, since, whereby, that, who, which, where, so, as 请问还有哪些... in that case 为什么不能连接两个句子 既然死为什么活着