第21题: [单项选择]A. The woman can buy the ticket. B. The woman will go there by taxi. C. The woman will go there by bus. D. The ticket the. woman wants to buy is not available. 参考答案:D 答案解析:[解析] W: I want to buy a ticket of No. 4376 train at 8:45 a.m. for Guangzhou. M: Sorry, the ti