The best way of learning English is using English as much as possible. Sometimes you will get your words mixed up(迷惑的) and people won't understand. Sometimes people will say (1) too quickly and you can't understand them. (2) if you keep your sense of humor, you can always have a good laugh at the mistakes you make.
Don't be unhappy if the people (3) to laugh at your mistakes. It's much (4) _____for people to laugh at your mistakes than to be angry because they don't know what you are saying. (5) most important rule for learning English is "Don't be afraid of making mistakes. Everyone makes mistakes."