16.They collected some valuable stamps___ they stayed in ShanghaiA.while B.as C.since D.during 麻烦帮看一下,B项为什么不正确,帮分析一下,17.I didn't manage to do it______ you had explained howA.until B.unless C.when D.before
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/25 06:59:44
![16.They collected some valuable stamps___ they stayed in ShanghaiA.while B.as C.since D.during 麻烦帮看一下,B项为什么不正确,帮分析一下,17.I didn't manage to do it______ you had explained howA.until B.unless C.when D.before](/uploads/image/z/13687395-51-5.jpg?t=16.They+collected+some+valuable+stamps___+they+stayed+in+ShanghaiA.while+B.as+C.since+D.during+%E9%BA%BB%E7%83%A6%E5%B8%AE%E7%9C%8B%E4%B8%80%E4%B8%8B%2CB%E9%A1%B9%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%8D%E6%AD%A3%E7%A1%AE%2C%E5%B8%AE%E5%88%86%E6%9E%90%E4%B8%80%E4%B8%8B%2C17.I+didn%27t+manage+to+do+it______+you+had+explained+howA.until+B.unless+C.when+D.before)
x1o@ǿm,E]EJ\Iيml!UUF
U%!حeW9A*#^ٮlCM4iӥ:r6E鑆I㒶u\{0
[aU55L;7)ºa8Iwg2Zえ|
Z>](/tЀ[5mlHg:6Ek!B̭Y2m!au.3!M吨A_ZZntJJϝǷ< Jv?%|&,~u=$Yv$oݡ&Tx