It's ____a__ useful advice from his best friend .为什么要加a .advice 不是不可数么 、

It's ____a__ useful advice from his best friend .为什么要加a .advice 不是不可数么 、 It's useful(have) a good lifestyle For the students,it's useful to do more_____.(read) I think it's a.useful job.翻译 I think it's useful for the environment. This is that we all think it's very important.A such useful information B so useful information It's not useful.You can throw it into the d_____ sometimes fire is useful,it's ()we must be ()wth it. 我认为和他为此争吵没有用 I don't think it's useful ( )(我认为和他为此争吵没有用 I don't think it's useful ( )( )( )( )about this This is _____ that all of us believe it’s very important.(2005年广州) A.such useful informationB.so useful an information C.so useful information D.such a useful information 给点建议 i find it's useful to learn English.为什么可以改成i find it useful to learn English呀?请说明理由.i find it useful to learn English.这种是什么句型? it's useful todo more() A read B reads C to read D reading说明理由 Because I think it's useful.I want to learn English[ ].补全对话 This is such a useful information that all of us believe it's very important. This is so useful an information that all of us believe it's very important. It’s known by everyone that______ horse is______ useful animal.马前面用不用加冠词? Thats( a) useful book .I have read it already.为什么不用the it's true that some ads can be very useful.什么句子