Out ________, with a stick in his hand.

After long and hard work, the police at last discovered the of the baby found by the side of a road.

Deng Ziqi is very popular among teenagers.—Yes. Many middle school students are her .

If you buy ________ MP4 player in our store, you can get a watch for ________ free.

We all know travel can ______ our knowledge of the world.