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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?
人气:218 ℃ 时间:2020-06-26 14:42:25
解答
There are 50000 calls a week . 一般情况下,这种比较多用.
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