While I _ a Zhengjian Evening Paper inthe sitting room, the doorbell rang.[ ]

Basketball is so popular a game in the world that ______ people play it for fun and exercise.

Why do you look so sad?-Bad luck! I made some mistakes in the test. I was not ___________.

How _____ cups of milk and how _____ bread do you need every day?

_____Greens are preparing for the coming Thanksgiving Day.