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About _______of the engineers in my company seem to be in their _________.
A.second-nines; fourtiesB.two-ninths; forties
C.second-ninths; fortiethD.two-nineths; fourtieth
B

试题分析:句意:我公司的大约九分之二的工程师好像都在四十多岁。分数的表达法是:分子用基数词,分母用序数词,分子超过1,序数词要加s。表示在大约几十岁,要将后缀ty变成ties 。故选B
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