He can't have finished his homework,__he改填什么呢

he can't have a break now,because he ________his homework.(not finish) 怎么填? Tom () his homework yesterday,because he was in hospital all day.A.can't finish B.couldn't finish C.couldn't have finished D.mustn't finish选哪一个呢?我也选的C，但是是感觉。 Dose____matter if he can't finish the job on timt he doesn't have enough time finish his homework 改错 I don't think he can finish the on time,can't he?修改病句,顺便解释下为什么, If he doesn't finish it.She can't do it,either.(改同义句）If he doesn't finish it,___ ___ she. I can't finish the work if i don't have any help=I can't finish the work _______ _______ _______. The work is so hard that he can't finish it.同义句The work is___ hard___ him___ finish. He can't finish the job without your help.改为同义句.He_____ only finish the job______ your help. The boy can't play computer until he (finish) his homework.finish应该怎么变?为什么呢? he have no finished his homework,he doesn't finish his homework,he didn't finish his homework有什么区别? You can't leave until you_ your homework?A finished B will finish C would finish D have finished You___your work in such a hurry.You can have a rest.A:needn't to finish B:don't need to finish C:needn't finish D:don't need finish为什么选B呢?为什么不选A呢? 请把He said,I'm afraid i can't finish this work“改为间接引语 he can't finish his homework __your help.A.without B.with C.under The boy gives different r_____ when he can't finish his homework l don't think he can finish it on time.（改为反意疑问句） He can't finish the homework in two hours.的同义句