— May I take the magazine out of the reading room?— No, you can’t. You ______ read it here. It’s the rule.

Mr. Bush is on time for everything. How ____ it be that he was late for the important meeting?

Facts prove that the world’s economic development is not a win-lose game but one in which all ______ be   winners. 

 ---Why hasn’t Jane arrived yet?  ---She ______ again in the morning.

The lady in this photo ________ be over fifty! She looks so young!