Question

【题目】Ben is a hard-working writer. He wrote his ________ novel when he was ________ years old.

A. fifth; fiftyB. fifth; fiftiethC. five; fiftyD. five: fiftieth

Answer 1

【答案】A

【解析】

句意：本是个勤奋的作家。他50岁时写了第五部小说。考查数词。第几部小说需用序数词，年龄多大了，需用基数词。fifth：第五，序数词；基数词是five：五；fifty：五十，基数词；序数词fiftieth：第五十。结合句意可知填fifth; fifty；选A。