1 . Tickets are a__________ (可购得的) on a first come, first served basis. (根据中英文提示单词拼写)
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2 . The toilets at the mall were not a________ to wheelchair users. (根据首字母单词拼写)
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3 . Brochures about different tours around Peru are _________ (可获得的) at the front desk of our travel agency. (根据汉语提示单词拼写)
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