there is much work to do 还是there is much work to be done?
两个说法都对，但有不同：
1. There is much work to do.
表示说话人与在场的人去做，等于：
There is much work for me/us to do.
2. There is much work to be done.
表示与说话人没关系的人去做，等于：
There is much work for him/them to do.
there is much work to do 还是there is much work to be done?
两个说法都对，但有不同：
1. There is much work to do.
表示说话人与在场的人去做，等于：
There is much work for me/us to do.
2. There is much work to be done.
表示与说话人没关系的人去做，等于：
There is much work for him/them to do.