be valuable to do sth有这个用法吗?

be valuable to do sth有这个用法吗? valuable是BE VALUABLE TO 还是FOR be of value to sb 那be valuable to sb be of value to sb 那be valuable to sb What do you consider to be the three greaest challenges facing China in 21st century? my lifestyle作文 用到hardly,want sb to do st,be good for,as for(junk food),try to do,help sb to do 意思是：对……有价值比如是be valuable to the world还是be valuable for sth world? be valuable down 6.It was all ________ to attend the training course since we learned a lot from it.A.worth B.worthwhile C.worthy D.valuable不是也有be worthwhile to do 为什么不用B ___What are you going to do next?___To write a science story___by ST PressA、published B、being published C、to be published D、publishing be valuable for sb对吗 翻译下列词组1.allow sb. to do sth._____ 2.ask sb.to do sth._____3.be busy doing sth._____ 4.be glad to do sth._____5.tell sb. to do sth._____ 6.be ready for..._____7.be sorry to do st like to do st和 like doing st的区别在哪. it take sb st to do sth用法意思是什么? It takes sb st to do sth句型造句 It takes sb st to do sth的中文翻译 decided doing sh还是decided to do st your advice is very valuable to me为什么be动词不是are?your advice is very valuable to me这句话是不是错了?是不是应该改成：your advice are very valuable to me