如何将 I think Mary has a pen pal .改为否定句

如何将 I think Mary has a pen pal .改为否定句 19.---______ ---Sorry,I don’t know.A.What do you think happen to Mary?B.What do you think has happened to Mary?C.Do you think what has happened to Mary?D.Do you think what did it happen to Mary?B,C不清楚哪个对? I think everything has changed --I have never been to Singapore.-----______.A.so has mary B.mary has too C.mary has,eitherD,neither has mary Will Mary go to the movie us?I dont't think so.She ____to go shopping (has decided)为啥用这时态 Mary has just got some holiday photos.Where do you think she has been? I think peter lives two floors under mary----英语改错 Mary has ten eggs.Tom has six eggs.将两个句子合并成一句Mary has ____ eggs_____ TOM. Mary has ten eggs.Tom has six eggs.(将两个句子合并成一句）Mary has ______eggs _______Tom. 如何将I think I will learn English hard.改为双重否定句 Mary has a computer game and a baseball.如何翻译? 如何将my,sister,Mary ,a fight ,to ,with ,don't ,I ,have ,want 连词成句 I think he has something to do.(变否定句）从句是否将something 变成 anything? 请问如何将'' I think it is hard to learn English well '改为否定句. I think Mary likes Beijing Opera.改为一般疑问句为什么为Do you think Mary like Beijing Opera.为什么Mary后的like要用单数啊? 看图短文填空Mr White has a d_____ .Her n_____is Mary .Mary likes piaying the p____very much.His father asks a teacher to t______ her.If you can't do it well ,I will s____the lesson.Tow months later.Mary's mother doesn't think she can p_____we I think Mary is smart,but you ____.A、I don’t thinkB、I don’t think itC、I believe not soD、I don't think so I don't have ( )pens.I think Ann has ( ).