问题描述：
首字母填空Cars are lots of
Cars are lots of fun,but they could also ba dangerous.We have to be c___ when we drive them or ride in them.It's always a good i____to put on your seat belt when you"re in a car.Why?Think about this example :You put an egg on a skateboard and give it a push.If the skateboard hits a stone,it will stop,but the egg w___.It will fly though the air,hit the ground and break.Air bags are also very important for car safely,because sometimes a seat belt isn"t e____.If the car is going really fast and runs into something,seat belts could even hurt the people who wear them.
Cars are lots of fun,but they could also ba dangerous.We have to be c___ when we drive them or ride in them.It's always a good i____to put on your seat belt when you"re in a car.Why?Think about this example :You put an egg on a skateboard and give it a push.If the skateboard hits a stone,it will stop,but the egg w___.It will fly though the air,hit the ground and break.Air bags are also very important for car safely,because sometimes a seat belt isn"t e____.If the car is going really fast and runs into something,seat belts could even hurt the people who wear them.
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