My boss hates interruptions,       when he is trying to work.

Having been told ________ where he lived, I had no difficulty in finding Peter’s address.

--- The earthquake last night was really terrible. --- ______, no people were injured or killed, and they escaped in time.

Drunk driving used to occur _____, but now it is under control．

—Jenny,they say you have asked for a leave because of a sudden headache.I’m worried about you,and are you ________better now?—I’m all right now,thanks for your care.