孩子们认真地做笔记。

The children are making ___notes diligently.

我在会议上记了一些笔记，这样就不会忘记重点内容。

I took some ___notes during the meeting so I wouldn't forget the key points.

校长办公室发了一份正式通知说明考试安排。

The principal's office sent out a formal ___note about the exam schedule.

小提琴手完美地演奏了这首曲子的高音部分。

The violinist played the high ___notes of the piece perfectly.