The environment will be well _ _ _(protect) by people.The people _ _ _ （live）in these houses were mostly old workers.I've finished _ _ _ (draw) the picture.另外 Her shoes have been worn out quickly.是被动语态吗?意思是；她的鞋子磨损的很快.按照意思不是主动语态吗?我要原因。

The environment will be well _ _ _(protect) by people.
The people _ _ _ （live）in these houses were mostly old workers.
I've finished _ _ _ (draw) the picture.
另外 Her shoes have been worn out quickly.
是被动语态吗?意思是；她的鞋子磨损的很快.按照意思不是主动语态吗?
我要原因。