1.She__fifty or so when I first met her at a conference.A.had been B.must be C.has been D.must have been(请解释一下为啥选D不能选A)2.Each they have bought the same book.(这句子是错的.怎麼改?)3.They cost 20 yuan each.(分析一下ea

1.She__fifty or so when I first met her at a conference.A.had been B.must be C.has been D.must have been(请解释一下为啥选D不能选A)2.Each they have bought the same book.(这句子是错的.怎麼改?)3.They cost 20 yuan each.(分析一下ea or so的用法 or so什么意思 just so so “so so” 间要加连词符号吗?just so so or just so-so? man or W是什么意识 Realizing a little or so .用 and ,but ,while ,or ,not ,only .but also.,either .or.,so 等词填空1.His father is a doctor ( ) his mother is a nurse .2.I bought a T-shirt for Tom （）he didn’t like it.3.My mother does housework every day（）my father does nothing .4.W 根据括号内的适当形式填空1.Da Shan speaks Chinese____we do(一样好）2.Henry_____study___ ___ ___his elder brother(不如齐齐努力）3.Which do you like___,fosh,meat or eggs?4.It's so late,so I drive the car____than usual(快）5.He w 一个女的写W or 请教以下4句英文造句哪里做的不对?1.Please tell me the exact time the meeting will start,so I can inform all the guests the meeting be delayed to what time.2.You should make yourself at home,you can do anything or invite anyone to stay w 不是很难.1.Who's the greatest man ________ A_____________?A.alive B.lively C.live D.life2.Work hard,___ you will fail in the exam.A.although B.and C.or D.unless3.We are interested in the weather because it ______ us so directly — what we wear,w 英语翻译It is rcommended that the floor of the compartments be insulated so as to limite heat leakage to 10% of the test capacity,for 9% temprature difference,or 100W for the same temprature difference,which is greater,as tested in Section 1.rcom 5 days or so怎么翻译?里面的 or 16/n.so封装图 16/w.so封装图 1.She is young,_____she konws a lot.A.and B.or C.but D.so he worked very hard,---he failed 1.or 2.yet 3.and 4.so 用连词and,but,or,so填空 用or and but so 造句