第24题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. He will visit the TV tower in June. B. He has visited the TV tower twice. C. He saw the big tower he visited on TV. D. He has visited the tower once. 参考答案:D 答案解析:[听力原文]
W: Did you visit the television tower when you had your vocation in Shanghai last summer
M