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1·The light in his office is still on. He must be at work now.

他办公室的灯还亮着。他现在一定在工作。

2·I'll be at work by sunrise.

日出之前我就开始工作了。

3·You seem happy to be at work.

你看起来非常乐于工作。

4·He might be at work when they arrive.

信达到时他应该在工作。

5·But he told me that he would be at work.

可是他告诉我他在公司工作的。

6·But a more subtle effect may also be at work.

但还有一个更微妙的影响也可能在起作用。

7·The same strategy seems to be at work today.

相同的策略看起来在今天也用了一下。

8·Affirmative, sir, I will be at work on time.

当然，先生，我会准时来上班的。

9·In another three hours, I have to be at work.

三小时后，我得上班了。

10·Enzo did not have to be at work for two hours.

恩佐还有两个小时不必上班。