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Ⅱ. Listening skills Understanding Times and dates w: Oh, look at the clock It's 5: 15. I'll be late for Jennifer's birthday party! I was supposed to leave at 5 o'clock M: Don't worry! You still have some time. The clock is twenty minutes fast Q What time is it now?

The key words and phrases of Unit Four: make up one's mind to, a chain of, range from to, focus on, be absorbed in, communicate with, take seriously I Start the New lesson AIDS is a disease that appeared in the United States more than 20 years ago. Since then