I'm doing some work down at local library.这句话中用的down是什么意思啊?

I'm doing some work down at local library.这句话中用的down是什么意思啊? I'm doing some reading now.改为一般疑问句 I'm doing some sport.What _____ you? They are doing some very important ( ) (work) I work harder than before ,because I'm doing () I want to do!whythatwhatwhen I'm doing some voice recording now,but I'm not singing是什么意思 I'M doing a survey adout learning English can I ask you some questions?翻译 I’m excited when I am doing some difficult problems.这句话有什么问题? i m doing long I'm doing great Get off my back I'm doing my accounting work谁给我翻译速度了`! 请帮忙翻译：I'm doing some washing and John is cooking SOME WORK的意思I HAVE TO DO SOME WORK I'm doing a survey about learning English.Can I ask you some questionsb I'D LOVE TO c SURE I'm afraid the boy has some problems s______(work out)such a hard maths proublem. I'm afraid the boy has some problems______(work out)such a hard maths proublem. have you any (d ) in doing this work?if you have any question,I'm just the personhave you any (d ) in doing this work?if you have any question,I'm just the person you can turn to. I ___________(do) my work.(用所给动词的适当形式填空）的正确答案I'm doing my work.正确还是I am doing my work.正确?每空一分，且只有一个空。I 是已经给出的，能直接在I的后面加’m doing 我认为这样不