1:If I ___(know) how to sing the song,I would join you2:I___(not have) my lunch,so I'm hungry 3:The teacher gave me some___(help) advice 怎么些啊

how will i know if I let you go意思? 1:If I ___(know) how to sing the song,I would join you2:I___(not have) my lunch,so I'm hungry 3:The teacher gave me some___(help) advice 怎么些啊 i want to know if he ___(come) yesterday. How was the party last night?I had a good time,___ I didn't know anybody.A as if B since C so that D even though I do not know how it ___.（使用） If I do not know how good that the翻译 Do you know ___ she could pass the exam?-Sorry ,I've no idea.Do you know ___ she could pass the exam?-Sorry ,I've no idea.A if B how 1.I did not know ___ him or not.A.whether to help B.if to help C.how to help D.what to help I don't know if he ___.if he ____,please tell me .(come) 句型转换 1 I always have a lot of things to do.(同义句转换） ___ I ___ always.2We don't know how t 含I don't know 的几个宾语从句问题I don't know ___.答案是where my class teacher lives now为什么不能是where my class teacher is living nowI don't know ___.答案是how well I did in the exam为什么不能是if I had passed the exam I really don't know how I can do it well 改同义句 I really don't know how ___ ___ it well If I can't find it,how can I know where I'm going? I don't know if I will go there.I don't know ___ ____ go there. I ___(not sleep) well if I know there's work to do if you know how much i miss 如题那我还问下if you know how much i miss you every second可以这样用么? If I ()(know) how to sing the song,I have enjoyed you that day i don't know i can do it if not now选择AwhereB.whyC.whenD.how