Volvo, a famous Swedish carmaker, was the first to use seat belts in 1949. Air bags are also very important for car safety, because sometimes a seat belt isn't enough. If the car is going really fast and runs into something, seat belts could even hurt the people who wear them. Most ...
(5 分) 1. There are some (火柴) in the small box. 2. My a can’ t go off. It doesn’ t work. 3. I can’ t read while you are standing in my (光) . 4. The news r that a heavy rainstorm was in the area. 5. S ,the police broke into the room with guns in their ...