题目

. There were no tickets _____ for Friday's performance.           A. preferable    B. possible    C. considerable    D. available 答案： D 解析: available (=capable of being used; that may be obtained) 可利用的; 可以找到的：1) These tickets are available for one month. (这些票的有效期一个月。) 2) Is there a doctor available? (有否可以找到大夫？) 3) A limited number of seats are still available. (仍然还有少量座位。)

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