英语题求助they collect the waste things for-(recycle)I don't know

英语选择题i don't know how we're going to manage the ____ things 英语单选I don't know of these people,for they are new workers... I don't know how they deal with the problem=I don't know （ ） I don't know what to wear for the party I don't know what I 英语翻译第一题：I see the same things every day and they don't inter I don’t know _______ they have passed the exam. 这句英语可以这样说吗For the what?i Don't know. You don't know good things till they are gone. Don't waste your new tears for the old sorrow 英语翻译Don't you know it baby I don't want to waste another day i don't know what they were for中 for是什么作用 英语；I don't know