Enough___ on how to take useful things out of rubbish,so much for today.A.has said B.was said C.has been said D.will be said请说明选什么,以及为什么.

Enough___ on how to take useful things out of rubbish,so much for today.A.has said B.was said C.has been said D.will be said请说明选什么,以及为什么. how to make money on Internet? How to find friends on line how to talk with foreigner on line ? How to go to school___(depend)on the weather How to go to school d____ on the weather? offer the following tips on how to?offer the following tips?on how to翻译offer the following tips和on how to时代2 英语作文：How to get on well with your parents 英语作文 How to get on well with your classmates? 英语作文how to do your homework on the computer How to Eliminate Cheating on Campus英语作文, do you know how to write chinese on computer? 英语作文:My advice on how to learn chinese he gave us （）on how to keep fit. on traffic lights how to choose your love How to go on for the next step是什么意思 He gave us a t___ on how to study English He gave us sone sdvice on how to protest eyes.