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题库 / Prep2008E2-SC-185
When drive-ins were at the height of their popularity in the late 1950s, some 4,000 existed in the United States, but today there are less than one-quarter that many.
there are less than one-quarter that many
there are fewer than one-quarter as many
there are fewer than one-quarter of that amount
the number is less than one-quarter the amount
it is less than one-quarter of that amount
请看讲解视频
c选项为啥不对啊？是因为one quarter不应该用连字符吗？还是因为that?感觉that 还是有指代的啊，就是那个some 4000
amount不可数，不能用fewer。
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