Mr. Black is working ______ his project at home. [ ]

It is often said that the joy of traveling is __________ in arriving at your destination ___________ in the journey itself.

Why have you decided on the countryside for your holiday?－Because we are there is lots of clear, fresh air there.

The show Dad, Where Are We Going is really _______ , and it is a hit program on Hunan TV.

For everyone’s safety，we _______ a1ways remember the law against driving after drinking.