It may not be sure 与 It may be not sure一样吗?

翻译Can it be true ,Tom?It may be ,but I'm not sure. _____ she is at home ,I'm not sure A,May be. B Maybe. C. May ( ) Tom is right,but we are not sure.A.May be B.Maybe C.May Jay__know the answer,but I'm not sure.A.maybe B.may be C.may He will come .I‘m not sure.A.may B.maybe C.may be D.possible But it is not your stylei Be sure you is Will it be fine tomorrow?I'm not sure ,____ I'm not sure.It__uncle Li's.A.may B.maybe C.may be D.must be may be not 还是may not be 1.Do you think she was retiring.I'm not sure,She may be look I'm not sure.等于may be 还是I don't know She ___ know the answer,but I'm not sure.A.maybe B.may be C.