You ___ those letters.Why didn,t you.A should post B should have posted C must have postedD ought to post选哪个为什么谢谢

Is there anything you want from town?I am going to get ___.a:those letters mailed.b:mail letters c:to mail those letters d:those letter mail 为啥是A呢? Do you know those ___(music)? You can go out.But you must write those letter first.(Before) He ___(take) the book away while you ___(write) a letter. 这儿有你一封信.___ a letter ___ you 填什么? I received your letter three days agoI___ ___ you three days ago You must ___ to this letter at once.(用answer或reply填空) I ___ (write) you a letter as soon sa I __(get) there, 同义句转换.I am fine.1.I am fine.I am ___ ___.2.Where are you going to send your letter?Where ___ you ___ your letter? Thank you for your letter (保持意思不变） Thank you ____ ____me是Thank you for ___ ____me please return those books to the library when you ___（finish）reading them You should write him a letter (否定句) You ____ write a letter ___ himYou should write him a letter (否定句)You ____ write a letter ___ him He asked when we should leave He asked us when ___ ___There are a lot of things you could do(同意句)Y Those bananas are ours同义句 Those bananas___ ___ ___ 英语翻译Scrîpsistîne illãs litterãs?这句话翻译成Did you write that letter?还是Did you write those letters? ___ from what you say in your letter,you don't sound well.A JudgingB JudgedC To judgeD Having judged Who are you going to make ___ the letter for you?A write B written C writing D.to write if you rearrange the letter 'AMONG ',you should have a name of a ___ A.toy B.meal C.fruit Thank you for___your letter