【单选题】听力原文:In which way do you sell, by wholesale or by retail? (A) Both wholesale and retail are welcome. (B) I want to buy a set of equipment. (C) Well, this way please. (17)
【单选题】Questions 37-40 Choose the correct letters A-C. [A] Strongly recommended [B] Recommended in certain circumstances [C] Not recommended Buy special orthopaedic chairs