The letter (that)I received was fro这句话哪个是主句,哪个是从句,that为什么做宾语

The love letter that I wrote to my girlfriend The love letter that she wrote to me i want to find the very pen _____which i wrote that letter 填什么介词 为什么 I am sorry that I （）（forget）to post the letter for you 动词填空. The ,I,received ,yesterday,letter,that,was,from,my ,parents.（连词成句） 翻译I suggest that you tear up the letter and start over again. I remember that i haveposted the letter yesterday.(同义)I remember _ _ _yesterday.填三个空 The letter that I received was from my father 这个句子中为什么用that不用which The letter (that)I received was fro这句话哪个是主句,哪个是从句,that为什么做宾语 I is the ()() letter in the ABC it was until I received the letter that I know how worried he was.这句话哪里错了 it was not until i had read your letter that i know the truth这是什么状语从句?为什么? 英语翻译Dear XX,Thx for ur letter.U r the only one that sent me emails to this mailbox.U did a good job.U wrote so carefully,though there are some mistakes,I think I know what u mean.I'm so honored that u treat me as such a great teacher,in fact, I'm sorry that I forgot _____(send) your letter. I want to send the letter是什么意思 i ()()()reading the letter我读这封信很费劲 I'm looking at the photo which you sent me with letter.WHICH可以换成that吗? The ( ) letter is ''r'' in the word ''dictionary'' 那个for I once took a student-teacher position in the college,and I believe that I achievedan excellent job,and for which I gained a recommendation letter.