宾语从句专项训练
I.从下列A、B、C、D中选择一个正确选项填空。
( )1.I don\'t know _________ he will come tomorrow._________ he comes,I\'ll tell you.
A. if;Whether B. whether;Whether C. if;That D. if;If
( )2.I don\'t know _________ the day after tomorrow.