1. I was engaged in the trade fair.

我忙着参加贸易会展。

2. I am glad to report to you about the progress of the project.

我很高兴向您汇报项目进展情况。

3. I’d like to analyze the sales figures.

我想分析一下销售数据。

4. First of all, the agenda should be prepared before the meeting.

首先，开会前要准备好议程。

5. You should ensure that those you intend to be present are properly informed.

你要保证将应该出席会议的人都通知到。