He must have done his homework last night,didn't he? 这里为什么用d

He must have done his homework last night,didn't he? 这里为什么用d he must have finished his homework last night,didn't he?为什么是 he didn't do his homework last night,so he did .还是so he didn He didn't do his homework last night.He watched TV（改为同义句） He must have finished his homework,he A,mustn't B didn't Cha 英语翻译1 Yes,I did my homework last night.He hasn't done his ho 请教：He must have stayed up late last night,_____? A.didn't he He didn't do his homework last night.That ________(make) the 把He didn't do his homework last night改为肯定句 I don t think he could have done so much homework last night He did his homework last night.用 at night 改写 @转换:He didn't go to bed until he finished his homework last