Questions 17~20 are based on a conversation between a mother and her son about a funny thing happened to their friend Lyn. You now have 20 seconds to read the questions 17~20. Why was the old lady on her hands and knees in the middle of the road
A.She was run over by a car. B.She was shocked to see a car crashing into a another. C.She fell when crossing the road. D.She was looking for her false tooth.