Sam has a bike. He ______ it to school every day.

________ and short of breath，Andy and Ruby were the first to reach the top of Mount Tai.

The company in Suzhou produced quantities of first-class silk, most of them ____ to Europe.

in prison for ten years, heseems to be unaware of what has happened outside.

Where is your new home now—In the new developed zone. But Idowntownfor five years.