Remember _______ off the light when _______ to bed.
----What does the model plane look like? ----Well, the wings of the plane are _________ of its body.
Everyone knows that ______ paper was invented by _______ Chinese.
The policeman’s ________ traffic directions made all the drivers quite _________.
If I have a short-wave radio, I can often __________ the BBC programmes.
We have raised some money and heavy clothes for the survivors in the earthquake________ they can go through the coming winter safely.