請完成今天的作業。
Please complete today's task.

今天就上到這裡。
That is all for today.

下次要交[檔案/作業]。
Please submit the [file or homework] next time.

請將電腦關機，並把鍵盤、滑鼠歸回原位。
Please shut down the computer and return the keyboard and mouse to their original positions.

離開座位時，將椅子靠好。
Please put the chair back when leaving the seat.

離開電腦教室請保持環境整潔。
Keep the environment clean before leaving the computer classroom.

新增雙語例句建議：