Question

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

A．must

B．should

C．can

D．may

Answer 1

B

考查情态动词用法。must 必须，should 应该，竟然，can会，能，may可以，根据语境在上班的时候你竟然穿着拖鞋。所以选B。