I don't know if it __tomorrow.If it__,I will stay at home.这句话中前面是宾语从句,后是条件状语从句可是我不知道怎么分清楚?感觉都一样哦.能教我一个简单的方法吗?错了,前面是宾语从句,后面是条件状

I _ don't know what it is I don't know if his idea will _ _ (有效). I don't know if it------tomorrow,but if it-----,I'll go swimming 宾语从句I don't know _ to visit the old man.A whether B if Don't you know that?Anybody _(know) it I don't know _____ it will rain tomorrow.A.if B wether 为什么?I don't know _____ it will rain tomorrow.A.if B weather 为什么？ i don't know i can do it if not now选择AwhereB.whyC.whenD.how 英语翻译i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know I don't know how I can get there. 改为简单句I don't know _ _ _ there. _(keep) yourself happy.I don't know what kind of pet _(choose)If a person drives _(care),it's dangerous on the road.It's important _(not give) the rabbit a slower.If she _(try) her best,I think she can get_(good)results. 为什么I don't know if it will rain tomorrow什么从句 英语翻译-I don't know.If it was hard to get in even my finger... () it is raining or not ,I don't know.括号填if还是whether If you don*t ( ) (提示：know the meaning of ) me ,i*ll say it again. If you don*t ( ) (提示：know the meaning of ) me ,i*ll say it again. I don't know if he ___(come) tomorrow.If he ____(come),I'll tell him about it I don't know if you don't have facebook then you don't need to worry about it.It's okay I don't know where I can post this letter .=I don't know _ _ _this letter .