My father didn't feel well.the doctor asked him to stay in bed for ______ days.
a piece/pair/bit/couple of 哪个 这几个的区别是什么?
人气：338 ℃ 时间：2019-08-20 01:04:16
解答
选a couple of
a couple of days 几天
a piece of 一块,一片,可用来修饰不可数名词 如 a piece of cake
a pair of 一双
a bit of 一点儿
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