—May I speak to your manager Mr. Williams at five o’clock tonight? —I’m sorry, Mr. Williams _______ to a conference before then.
Jim is ______ person, and everyone is willing to be ______ with him.
They kept trying _________ they must have known it was hopeless.
There are five pairs _________, but I’m at a loss which to buy.
.It’s ____ so easy as you imagine.
_________ going to the exhibition.