Trees have grown and died for__.A.millons of year B.millons of years C.millons years选哪个?为什么?
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人气:110 ℃ 时间:2020-04-01 10:24:05
解答
B,
因为:
1,year 是可数名词
2,million,hundred,thousand 等词作虚数时应用复数形式
比如:thousands of people
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