2021考研英语四级语法用法辨析汇总
over做介词表“超过”时，可用more than代替。
例：he has stayed here over a year.
= he has stayed here more than a year.
(他已待在此地一年多。)
he has stayed here more than over a year.(x)
he has stayed here much over a year.(×，much应删除)
over five students are here.
= more than five students are here.
(这里的学生有五人以上。)
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From:https://www.zgghmh.com/CET-4/20001336.asp