阅读理解。 Dear Mr. Zhu, I am writing to your magazine's 'agers Now' column (专栏) to ask for some help with my 16-year-old son. At the moment, he refuses to do almost everything his mother and I ask him to do. He is our only child and we treat him very well. His grandparents buy him many things, and yet he is still rude to us. He refuses to spend time with us or do as we tell him. Sometimes he acts as if he doesn't even love us at all. Now he refuses to do his homework, and instead insists on wasting his time watching DVDs and listening to foreign music. I cannot understand this music, but I don't like it. He also spends too much time in Internet cafes, where he either plays s or chats online. He is wasting valuable time during this important period in his life! What am I to do? At present, to pr his mother unhappy with an argument, I am allowing him his . However, I am worried that if I keep allowing him to do what he wants, he may fail at school, or worse. How can I help my son without harming our relation ship? Yours, Liu Zhenhua 1. What's Mr. Zhu's job? A. A teacher. B. A magazine columnist. C. A youth worker. D. A doctor. 2. From the passage, we can know that Mr. Liu's son is _____ to his parents. A. friendly B. thankful C. polite D. rude 3. What does Liu Zhenhua write to Mr. Zhu for? A. To blame his son. B. To ask for help with his son. C. To say something about his son. D. To complain to him about his son. 4. Mr. Liu's son always spends his time _____. A. doing his homework B. playing s online C. chatting with his parents D. doing everything his parents asking him to do