Helen is doing well in P.E.than Nancy这句话怎么错啦

改错:Helen is doing well in PE than Nancy. Helen is doing well in P.E.than Nancy这句话怎么错啦 Helen is doing well.She's______than me nowA.tall B.shorter C.faster D.good doing Helen's is what brother 连词成句 It is sunday .Helenmother ( )doing some shopping. What is worth doing is worth well. Whatever is worth doing is worth doing well.怎么翻译? Whatever is worth doing is worth doing well. Helen is _____(well)at singing .She sings____（well)than any of us. If a thing is worth doing it isworth doing well our company is doing well中well是副词?为什么?is doing是现在进行？ you me my can with help english?doing Helen’s is that brother?连词成句 Helen is doing better in skating than Nancy.为什么skate要加ing? 连词成句：1.are,free,we,today,not(.) 2.doing,helen's,is,what,brother(?) Helen is doing better in skate than Nancy 这个句子哪里是错误的? Helen is doing better in skate than Nancy 是不是现在进行时 Is Helen a great m( She sings very well.根据首字母m填空 Whatever is worth doing is worth doing well.我觉得语法有问题.Whatever i worth doing is worth doing well.才对吧