(had she not come) to our help when we were in trouble,we couldn't have finished our task on time.括号里面是什么结构啊.if she didn'tcome怎么错了

she had known that Michael could not come ,Doris would never have come to the party.改错 She didn’t come to the party last Sunday.＿＿＿,she must have made the party more exciting.如题 A.If she came B.Would she come C.Had she come D.Did she come (had she not come) to our help when we were in trouble,we couldn't have finished our task on time.括号里面是什么结构啊.if she didn'tcome怎么错了 had she not come) to our help when we were in trouble,we couldn't have finished our task on time.括号里面是什么结构啊.if she didn'tcome怎么错了 Lucy didn't come to school yesterday,did she? _____,though she was not feeling I didn’t know she __till this morning.A.was coming B.has come C.ins coming D.had come If条件句 请解释下1.If you had stayed here ,you ____(see)him2.If _____(be)you ,I would go at once.3.If she ____(come)tomorrow,she would bring you the book you want4.If he ____(not be)ill yesterday, he would have come to class5.If he had taken t she had a very bad cold,（ ）is why she didn't come.填this还是that还是it I don't know________ You can go and ask Jack.A.when does the train leave b.THAT WE WILL PLANT TREES OR NOT c.IF SHE HAD COME YESTERDAYD.what i should buy for him She didn't come to school yesterday,didn't she?B:_____.Though she was not feeling very well.A.Yes,she didn't.B.Yes,she did.C.No,she did.D.No,she didn't. A:She didn't come to school yesterday,did she?B:_____.Though she was not feeling very well.A.Yes,she didn't.B.Yes,she did.C.No,she did.D.No,she didn't. The manager has just arrived ,but i did not know she until yesterday.A will come B is coming C was coming D had come 说明原因啊, she said she had just come back from holiday对否?HAD JUST COME还是CAME she didn't come to school,did she__she had a bad cold for a few days,选Yes,she did 还是no,she didn'为何不用肯定回答 She did not act as if she had not.She did not pretend she had not seen him.She did not act as if she had not.She did not act as if she had not. She didn't come to the party last Sunday._____,she must have made the party more excing.A.If she came B.Had she come选哪个?理由? She didn't come to school yesterday.Do you know what __her?A has happend with b had happend with c has happend to d had happend to 英语翻译she had not enjoyed for years.