They are broadening the bridge to ________ the flow of traffic.(2011·山东)

Andrew was afraid to fill the room with water again, so he _________ the pipe carefully.

How manyhours do you sleep every day —.

Is your friend Michael still in Australia—I don’t know. I have information about him because we haven’t seen each other for years.

Take a short rest, will you ? –Ok, I’m ___tired after a long walk.