It is useless to c___,don't talk about it any more ,

It is useless to do?doing? It is useless doing 或to do 有什么区别 it is no useless to do=it is no use doing today is too cold don't go out it is much more c__ to stay inside It is useless to c___,don't talk about it any more , (1/2)____that the train is gone,it is useless to wait. A Seen B see It is very c__ that we have to finish the work by ourselves it is useless 后跟动名词还是不定式 whatever ,it is useless 的翻译 it is useless后面加什么? It is useless to worry about the things that had already happened.如何翻译? but it is useless to do this now that you have become a prisoner 中文意思 It is my c__.It's on my desk. Don,t want to lose you.My heart is so sad.It is useless.Really very painful! If a table is too loub,other c__ might even c__ to the m__ look at the c__ what day is it today think 是不是及物动词,那么句子''I think it is useless''中''it is useless'' 充当什么成分谢谢了, i found it useless doing还是to do