航海王启航进阶石:we often ( ) there.

we often ( ) there. sing-,we,dance,often,and(.) We often listen to her sing.怎么变被动？ What is that we never borrow but often return? What is that we never borrow but often reture? What is that we never borrow but often return?? what table do we often see in fields? 改错This is the steel work where we often work We often go to work by bus. We often____ ____ ____ ____ for work.: But we often say hello to a classmate in an informal way .怎么翻译？