I don't know if he here．If he             __ tomorrow, I'll tell you．

A．comes，comes                                              B． will come，comes

C．will come，will come                                 D．comes，will come

I really don’t know if he __________ tomorrow．If he __________，I’ll tell him about it．

A．will come；will come    B．comes；comes

C．will come；comes      D．comes，will come

桪o you know when he ______ back tomorrow?

　　桽orry，I don't．When he ______ back，I'll tell you．

　　A．comes；comes

B．comes will come

　　C．will come；comes

　　D．will come；will come