The lecture begins at 9 tomorrow morning .So I have to be at the hall ____8:40 p
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The lecture begins at 9 tomorrow morning .So I have to be at the hall ____8:40 pm. at the latest.
A until B after C by D around |
答案
| C |
解析
| by 后面加时间表示：到这时间为止。 |
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