首字母填空 1. You must be c------ when you cross the road. 2.You

首字母填空 1. You must be c______ when you cross the road. 2.You should keep s_______ when you首字母填空1. You must be c______ when you cross the road.2.You should keep s_______ when you are in the library.3.Don’t be a________ when you see the giant.4. The firefighters are f________ the fire b_________.5. Children m______ cook when their parents aren’t at home.6. We mustn’t start a c_______in the forest. 7. We mustn’t play with m_________.8.Draw e_______ lines and cut a_______ them.9. When there is a fire, you can see thick s_________ everywhere.10. We can use a lot of w__________ to put out fires.