我觉得在两天内写完读书报告很难。
I think it's difficult to write the book report in two days.
好吧!我尽量最迟在两天内就回你电话。
B: Well, I'll do my best to give you a call within two days at the latest.
Mary也许可以在两天内完成这项工作。
and they have to be completed within two days.
而你必须在两天内完成。
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