If he is free,he will ask me to tell stories不是虚拟语气?为什么?

DO you know if he ()to play basketball with us I think he wil come if he ()free tomorrowDO you know if he ()to play basketball with us I think he wil come if he ()free tomorrow A will come；will beB comes； hasC comes；will beDwill come；is为什 If he is free,he will ask me to tell stories不是虚拟语气?为什么? I don't know [ ] this evening.答案为什么选a?a.if he will be freeb.whether he is freec.when he is freed.when is he free If he ( )free tomorrow.he will go with us He may come here if he ______ (be) free tomorrow. He may come here before five if he()(be)free. He mey come here if he _______( be )free If he is free,he will ask me to tell stories.这句话不应该用虚拟语气吗? He is free.means .He is not b___. 1.He is not free ,but he is b________. I don't know if he will come tomorrow i think he if he free Is he free tomorrow可以怎么改写 He is free enough ------(play) with friend Is he free /fri:（翻译） He is free,free like wind.He is free ,and he will win...是哪首歌上的词呢? He wil stop showing off if no notice--------of him.A)is taken B)will be taken C)takes D)has taken说明原因,不好意思, what does he like d____ when he is free? He is free today .同义句He -------- -------- ---------- ----------- today．