She has had a letter from her mother .(改为同义句）Travelling by train will be cheaper.Travelling by train will be more interesting.(合并成一句） She has visited the Summer plalace.(改为一般疑问）

she went home after she had typed the letter为什么用had而不是has,这儿是第三人称啊?句子来源于新概念120课,课后习题A.例句 letter,written,had,my,after,a,she,to,went,bed She has had a letter from her mother .(改为同义句）Travelling by train will be cheaper.Travelling by train will be more interesting.(合并成一句） She has visited the Summer plalace.(改为一般疑问） Each key of the computer ________ a letter,number or word.A.have B.has C.had D.has had she said that she had received a letter two days before变为直接引语 He has had a letter from Tom.帮我分析一下这句话,用了has又有had I asked her where__________.A.she had goneB.she had beenC.she has goneD.she went to (请说明原因) Mr Ma had a letter from his sister the day beforeMr Ma had a letter from his sister the day before yesterday .She lives in求答案! Tina had supper after she had--------a letter(write)用所给单词的适当形式填空,要理由 英文作文是写封信：我快要考试了 your friend had just done something to help you.write a letter to thank him/her about the thing he/she has helped you (不少于100字)可以再长一点吗 It mustn't be Tom ,for he has gone to Japan.I don't think he will come to the party.改正错句she is his the second wife.He has a six-years-old daughter.I mailed the letter five days ago.He must get the letter.I had to took a taxi last night. Just应该放在句中什么位置?she tell me she just had wrriten a letter to John.she told me she had just wrriten a letter to john.这两个句子对吗?错的错在哪里? she has to write a letter to her pen pal.改为一般疑问句 句型转换 she has to write a letter to her pen par 改为一般疑问句 一道连词成句,大神求解啊!received,she,a letter,Mary,has ,recently,from Never ___with her classmates so far ,they get along well.A.she had argued B.had she argued C.she has argued D.has she argued 她发烧了 用英语怎么说是SHE HAS A FEVER 还是 SHE HAD A FEVER? She's writing a letter