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题库 / Prep2008E1-SC-240
According to public health officials, in 1998 Massachusetts became the first state in which more babies were born to women over the age of thirty than under it.
than
than born
than they were
than there had been
than had been born
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"做错主要没理解under it里面的it是指什么 指的是小于30岁
这里比较的是30岁以上的女人生的小孩比30岁以下的人多"
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