第23题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. She’s broken the pen. B. She’s returned the pen. C. She’s lent the pen to someone. D. She does not know where the pen is. 参考答案:D 答案解析:[听力原文]
W: I’m awfully sorry, but I seem to have lost your pen. I’1l be happy to buy you another one
第31题: [单项选择]The sale usually takes place outside the house, with the audience ______ on benches, chairs, or boxes. A. having seated B. seating C. seated D. having been seated 参考答案:C 答案解析:[解析] 过去分词与audience成被动关系，整个独立结构作状语，表示伴随状态。
