huacao 发表于 2013-2-27 14:49:06

a week和 in a week在应用上有什么区别？

比如说“我们一周有四节英语课”是翻译成“We have four English lessons a week.”还是"We have four English lessons in a week."

小甜蜜 发表于 2013-3-12 14:56:17

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