Amazing ! You _____ wear slippers at work.—Don’t you know it’s a fashion ?[ ]

Of course, we must work hard _____, we should learn to take good care of ourselves[ ]

He likes to play ____ football, but I like to play _____ piano.

This is the place where the writer was born and _____.

It’s the office！So you ________ know eating is not allowed here.—Oh，sorry.