Within 2 years, the turnout of this mobile phone manufacturing company increased ______.

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问题 Within 2 years, the turnout of this mobile phone manufacturing company increased ______.

选项 A、ten fold
B、ten-fold
C、ten-time
D、ten-folds

答案B

解析此题考查名词的单复数。fold和基数词一起构成合成词表示倍数时不加复数，如果分开写，则fold后面要加“s”。

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专业英语四级

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