he could not come back yesterday.同义句

he could not come back yesterday.同义句 The dealer told him that it had just come in,but that he could not be bothered to open it.could not be..这里不懂,为什么用could not.until 与not.beforeI could not finish the homework________.A.until he has come B.before he cameC.when he comes D.by he had come选那一个?为什么?着重介绍not until 和not..before的区别, He ________ me that he could not come.A.explains B.explained C.explain D.explained to 改错：he could not come down to an answer when l asked him why he was late. I knew I could not finish the homework()A.by the time he had come B.before he came C.until he has come D.when he comes选什么为什么?句意? ( )I could not finish the work____________.A.by the time he had came B.until he has comeC.when he comes D.before he came( )There_________the bus!Hurry up!A.is coming B.comes C.has come D.come 翻译：He could not fall asleep could he do anything or not? I wonder whether he (come)or not Could you tell me if_____tomorrowA_he comes B_he will come C_will he come D_he come 请讲解 dealer told him that it had just come in,but that he could not be bothered to open it.这个第一个第二个that是什么从句, He thought for a long time but still could not _______ a solution .A.take over B.come up with C.watch over D.get on with he knew he could not finish his homework ___ .a.before his parents cameb.until his parents have come c.by his parents came d.when his parents come写出原因! home, his, could, he, get,a,to,tutor,to,come he was b--------at birth,he could not see anything He did not know what he could do.同意句 Although he tried,he could not make it.