An average of 200 letters a week____sent to the newspaper agency.
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时间:2024-08-17 10:42:50
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An average of 200 letters a week____sent to the newspaper agency.【专家解说】:第一个空主语是Letters,可数名
【专家解说】:第一个空主语是Letters,可数名词,用复数谓语修饰。第二个空的主语是case,是不可数名词,用单数为与修饰。
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