I haven't received(BrE)/didn't receive(AmE) a letter from him yet.Why前BrE后AmE?

I haven't received the specification of this rayon yarn I haven't received his letter yet.改为同义句 Did you have the photos I looked forward to ____me i haven't received them.A :sent B:send C:Sending D:be sent 为啥是A呢? Have you received an e-mail message from Helen?----____________Really?no news is good newsA.YES,I have.B No,I haven't 英语翻译翻译成英语,i haven't received my reimbursement.我这句如何? 翻译So far i haven't received any instructions as to what to do next. I haven't received the letter.It()to a wrong address.A.may send B.may be sent C.might have sent D.might have been sent Have you ___any letters from your sister recentlyNo,I haven't heard from her yet.A.heard B.received.应该选哪一个Why 同义句转换 I haven't received a letter from my pen friend for a year改写成 I haven't ( ) ( )my pen friend for a year. I haven't received(BrE)/didn't receive(AmE) a letter from him yet.Why前BrE后AmE? I am so angry because I haven’t received the things that _______ (order) online a month ago It is a regret that we haven't received . It is regret that I haven't receive 大家看看这两句话 I haven't made If yu haven't received it ,I will send you again enclose this E-mail.有什么语法错误吗 i haven't heard from my sister since last yearhaven’t heard from my sister since last year· A.met with B.heard about C.got news from D.received a letter from. 求教英语选择题,为什么选C而不选A呢?Sally:Have you received the email from the International Students Office?Kelly:__________What’s the matter?A.No,I haven’t.B.Yes,I have.C.I haven’t checked my email for several days.D.It has not y I have to go there,____ A.don't B.haven't C.haven't to D.needn't Have you got a pen?(A) No,I haven't.(B) No,I haven't got.并说明理由