You may use the room as you like      you clean it up afterwards.

      all the snow in the valley, the cabin still remained warm and comfortable.

—Look, the paint is starting to come off ____ the wall is damp.
—Well, we'd better have the wall repainted some day.

People in some countries waste water______ people in others don’t have enough to drink.

Having checked the doors were closed and ______ all the lights were off, the boy opened the door to his bedroom.

______ is often the case is that Tom doesn’t study hard and fails in passing an exam.

A double-decker sleeper coach fell off Changjiang Bridge in Jingzhou. It was because it tried to turn ___________away from a motorcycle that it crashed killing 14 passengers.

The agent was about to sign his name to the document_______ , to our surprise, a stranger broke in to prevent him.

One Friday, we were packing to leave for a weekend away _____ my daughter heard cries for help.

________ you've got a chance, you should make full use of it.