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改错:thereare50000callsaoneweek.改成下面哪句对或者更好?thereare50000callsoneweek.thereare50000callsaweek?

题目详情
改错:there are 50000 calls a one week.
改成下面哪句对或者更好? there are 50000 calls one week. there are 50000 calls a week?
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答案和解析
There are 50000 calls a week . 一般情况下,这种比较多用.
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