She doesn't know whether to go or wait.为什么前面用的是to go,后面却用wai

She doesn't know whether to go or wait.为什么前面用的是to go,后面却用wai She doesn't konw whether to go or wait.这个句子中为什么要用动词不定式（to go She doesn't know____to go or to stay.A.if B.whether C.what D i don't know whether to live or wait It doesn’t make any difference whether to go there or not. It doesn't make any d_____ to me whether you go or stay She doesn't decide if to go to the cinema or to watch TVat h Whether to go there or not hasn’t been decided. I don't know whether to go to school nor (to) go to the park doesn't want to know that which she is eager to know.这里为什么用w Ruby _____ ill or _____ she doesn't want to go with us. she doesn't know what to__to go to her friend's wedding part