accident n.A.发生 B.意外遭遇 C.情况,状况
Food safety is important. Rules ______ to stop people from food pollution.
There will be a stamp show in the museum ______ we visited last week.
— Linda, could you tell me ______?— He is an actor.
Smoking is not allowed in public places since May 1st. It may be a good chance for some people to ______ smoking.
The Internet is really ______ to us. We can easily find the information we need.