—Bad news? —If you ______ know, Li Na got defeated again in the first round!

There _____ be any difficulty in passing the road test since you have practised a lot in the driving school.

One of our rules is that every teacher      wear school uniform while attending the school flag-rising ceremony. 

—Look! The man at the gate        be our headmaster. He stands there every morning.—No, it        be him. He is holding a meeting in the office now.

----Meng Fei had his arm broken while recording If You Are The One in Beijing.----Really? Then perhaps he ______________ host TV programs for some time.