As a teacher I consider READING the most important skill to improve the acquisition of a new language. I give you some steps to follow:
In Fiction, it says what the story is almost about. In non- fiction, what the author wants me to know about the topic. The first and the last sentence in a test can give you a clue.
Here you have a website that can help you improving your reading. Come on, YOU'LL GET MORE LEVEL!