I think she will come if she ———free

I think she will come if she ———free I think she is sure to come if she ______free.A will be B is I will visit my grandmother if she ｛ ｝ free tomorrow I don't know if he will come tomorrow i think he if he free I doult if she will come back.是什么从句? I don't think Cily will come today ,will she?NO,she won't.Sh i wonder when mum (will come back).I think she (will come ba 英语翻译She will —— —— come late. —I wonder if she will show up at the concert tonight. I think that she will come.中的that可以不要吗? 单句找错并改错 Have you find my backpack yet?I think she will come I think she will come,＿＿＿?完成反疑问句