I don’t know whether you happen ____ it, but I’m going to study in the U.S.A. this September. A. to be heard B. to be hearing C. to hear D. to have heard
He invited me to a dance after the show Christmas Eve.
A great person is always putting others’ interests _________ his own.
You’d sound a lot more polite if you make a request ______ a question.
Modern equipment and no smoking are two of the things I like ____ working here.
Let’s learn to use the problem we are facing a stepping-stone to future success.