questions.
 Question 16. 
a.        Finally, would you mind telling me if there are native German-speaking teachers at your language centre?
b.        First, could you please let me know whether there are German courses at your language centre?
c.        Dear Sir or Madam, I am writing to ask for some information about the language courses at your language centre.
d.        I look forward to hearing from you.
e.        Yours faithfully,
      f.   Next, I would also like to know how long the course for beginners lasts and how often classes take place.
        A. c - d - b - f - a - e         B. c - f - b - a - e - d      C. c - b - d - f - a - e   D. c - b - f - a - d - e
 Question 17. 
a.        Next, it enables you to build better relationships with people because through frequent sports you can get to know a lot about others' personalities.
b.        First, playing sports helps reduce the stress and gives you more energy in your life.
c.        In short, people should play sports regularly because it brings lots of advantages.
d.        Lastly, it improves your health. When playing sports, the body is protected from different types of harmful bacteria and viruses.
      e.   Playing sports brings a lot of advantages.
        A. e - a - b - d - c        B. e - b - a - d - c        C. b - a - d - c - e         D. c - b - a - e - d