I don't know______or not.A.whether he is at home B if he is

I don't know______or not.A.whether he is at home B if he is I don’t know ___________ he is well or not.whether/if,为什么? I don't care whether he is _____ the plan or not . I don't care whether he is( )the pian or not I don't know whether he is w___ to come I think he is at home.改为否定句.为什么一定要改成I don't think he is at h He is very busy.I don't know if he will come or not tomorrow I don't know he is _____the football team.( ) A.by B .at C.o 反义疑问句填空I don‘t think he is at home,______? I don't think he is at home ____ ____ ____(现在) i don't think he is honest,____ ,i don't trust him at all.A. can i speak to Liming.i'm sorry （ ）he is not at home.A so B