l don't know if he will come on time 同义句

l don't know if he will come on time 同义句 L don't know. l don t know I don't know if he ____(be) free tomorrow. I don't know if he ____ ( come ) I don't know if he will come tomorrow i think he if he free l don't know ___ the day after tomorrow a,when dol don't know ___ the day after tomorrowa,when does he come b.how will he come c.if he comes d.whether he'll come I don't know if he_.if he _home,please let me know.(return). I don't know if he ___.if he ____,please tell me .(come) I don't know if he will come tomorrow.为什么要用if 不能用whether i really don't know if he _____tomorrow.if he_____,please give me a ring(come) (w )if i don't know angone?括号里应该填什么? I don't know if Mr.Green_______(come) tomorrow,but I will let you know if he _____(come) tomorrow I don't know （ w ） he will go there or not l don't know if the watch has made in shanghai有没有语法错误啊 l don't know ( )life in the future will be like.what how if when l don't know if TOM will attend the party until now的翻译 I don't know if he ___(come) tomorrow.If he ____(come),I'll tell him about it