He wil come.I will let you know?(用if连成一句话)

请说明为什么.i dont know if Peter （）tomorrow,if he （）,please call me right now.选项a,will come,will come .b ,comes,wil come.c,will come,comes.l He wil come.I will let you know?(用if连成一句话) He will come l( ) 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 could you please tell jim that i _______(call) his later?sure,l wil tell him when he __(come) .please______(tell)me if you need. I w____ if he will come tomorrow OK .I am sure he will come When___ again?when he ___,I'll let you knowA.he comes ,come B.will he come,will comeC.he comes,will come D.will he come,comes I do not know whether he wil come to our party.中为什么不要能用if?解释具体些, l think he will come to my birthday party tomorrow 填空：He will come here _______（字母开头是L) Will,l,whether,wonder,come,he连词成句 when__again?when he__,i will let you knw.A.he comes;comes B.will he come;will comeC.he comes ;will come D.wll he come;comes I don't know when he ____,but when he ____,I will let you know.A will come ;comesB comes ;will comeCcomes;comesD will come; will come I b------ my father wil come back on time. -I don't know if his uncle______.-L think he _____if it doesn't rain.A.will come;comes B.will comg;will comeC.comes;comes D.comes;will come I really do not know if he ( ),if he ( ),please tell me.A .will come,will come B .comes,comes C .will come,comes D .comes,will come i wil