i will ___(查明)when the train leaves

i will ___(查明)when the train leaves 同一句转换（英语）I don't know when I will start.I don't know when ___ ___ ___. I don't know when he ___(arrive）填什么是will arrive 还是has arrive .--Do you know when he ___ back --Sorry ,I don”t .When he ___back ,I”ll tell you .A(comes.will come) B (will come ,comes) please get me some tea 改为同义句 please ___ some tea ___ mei don't know what i will do next.I don't know ___ ___ ____he doesn't know when he will start改为简单句he doesn't know ___ ___ ___.i got a letter from him yesterday改为同义句i I don't know when Mr.Li ____ back.But I'll call you at once when he ___ backa.will come; will come b.comes; comesc.come; will come d.will come; comes为什么选D I don't know when Lucy __ to see me.When she ___,please tell me.请问前后两个when有什么不同的用法?为什么要选A?I don't know when Lucy __ to see me.When she ___,please tell me.A:will come,comes B:will come,will come C:comes,comes D:co i will call you when i am free.同义句i will ___ you when i ____ ____ Choice 1.I don’t know when he ___,but when he ___,I’ll speak to him.A.will come ,comes B.comes ,comesC.comes,will come D.will come ,will come2.Steam can be seen _____from wet clothes.rose B.raise C .to raise D.to rise3.It will take a letter ____ I can't decide ___ play football.A.to when B.when C.when to D./ I don't know ( ) A.when the train will reach B.when the train will arrive 改错 I don’t know when will they come When the devil angel disappears,I will don't love I don’t know when he (arrive). When he (arrive) here, I will call you. can you tell me when you ___ if it ___ tomorrow?A:arrive; doesn't rainB:will arrive; won't rain C:will arrive; doesn't rain 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 tom didn't go climbing.i won't go climbing ___ tom ___ i will go climbing will i when i believe i will