if you know when he will ccome,please let me know .改为同义句同上

if you know when he will ccome,please let me know .改为同义句同上 do you know when the meeting begin?BLANK he comes backA if B when C until If you know when he will come,please let me know.(改写同义句)If you ____ ______ _______when he will come,please let me lnow. If he _____(know) that,he would tell you. Do you know when your father---- l do not know.But if he ----- ,l will tell youAcomes comes B will come comes I don't know __ he will come tomorrow.___he comes,I'll let you know.A.whether;if B.if;whether C.when;whether D.that;if请做答并解释,最好说一下相近词的区别和用法 Do you know if ____back next week?If he ___ back,please let me know.为什么 Do you know ----------he will be back.that或if, Do you know when he left?这里为什么用left do you know the time when he left do you know the time when he live?要今天哦, Do you know when he----?When he -----,please call me.用arrive的适当形式填空 I don’t know when he (arrive). When he (arrive) here, I will call you. I don’t know when he _________ tomorrow.If he _________,I’ll let you know.A.comes,comes B.will come,comes C.comes,will come D.came,will come Do you know ____ A.if he go to school yesterdayB.when will he go to schoolC.why he didn't go to schoolD.how does he go to school tortoise when you know, do you know that he is right?和do you know if he is right?哪个正确?为什么? 1.{ }-How do you like the party yesterday?-It was ___.Everyone had a great time.A alike B surprising C wonderful D ordinary2.{ }I don't know ___on a trip to Canada next week.A if he goes B.when will he go C.if he'll go D.when he goes3.{ }Oh,you bough I want to know _____ he will come tomorrow为什么是 if 而不是 when