What I will talk about may annoy some of you, for which I offer apologies ______.
Pleasant music is often played ________ classes to make students refreshed and relaxed for a while.
To tell you the truth, if you want to study abroad, you must pay more attention to _______English every day.
He waspoorest man here years ago, but now he isrich man.
It is too cold today. I think I’ll have a hot coffee ______ a cold drink.
Drunk driving, which was once a occurrence, is now under control.