it is use ful to be able to predict the extent__...it is useful to be able to predict the extent__which a price change will affect supply and demand.A.from B.with C.to D.for我知道是介词＋which形式,可是我还是想不通,

it is use ful to be able to predict the extent__...it is useful to be able to predict the extent__which a price change will affect supply and demand.A.from B.with C.to D.for我知道是介词＋which形式,可是我还是想不通, 英语翻译It is one thing to be offered an opportunity; it is another thing to take it and use it well 3.___ no use ___ to excuse yourself.it is,to be trying;you are,trying;it is ,trying;that is ,to it is only optional to use the technique and thus cannot be used asthe basis to record any data. be adj to do还是to be done例如：This machine is very easy_.Anybody can learn to use it in a very short time.为什么填to use而不是to be used it is inside your head you use it to think It is no use doing sth与It is no use to do sth的区别. it is no use to do 与it is no use doing 有什么区别? It is sait that e-shoolbags are going to be brought into use in chinese middle shool soon It is no use _ over spilt milk.A.cry B.to cry C.crying D.be crying While we admit that there remains much to be desired ,it does not mean the plan is of little use it is said that e-schoolbags are going to be brought into use in chinese midddle schoolsbe brought into use 如何理解 it is e______ to learn something,but it is d_____ to use it to solve problem IT IS TIME TO BE It is going to be It is cool to be it can't be more important than what is stated in the book that is the preciousness of time and the method to use it efficently There is no use to do与 It is no use doing的区别There is no use to doIt is no use doing 是这么用吗?