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- The rule is that someone must be on duty at all times. 按照规定，任何时候均需有人值班。
- Who will be on duty at six o'clock? ---I will. 6点钟谁值班?-我值班。
- Experienced banquet waiters must also be on duty. 还必须让有经验的宴会服务员当班。
- It is my turn to be on duty today. 今天轮到我值日。
- It is your turn to be on duty today. 今天轮到你做值日了。
- Whose turn is it to be on duty today? 今天轮到谁值日?
- Whose turn is it to be on duty tomorrow? 明天轮到谁值日?
- It's Li Lei's turn to be on duty. 轮到李磊值日了。
- It's time for you to be on duty. 到你值日的时间了。
- It's your turn to be on duty tomorrow. 明天轮到你值日了。
- It's your turn to be on duty, today. 今天轮到你值日了。
- Is it your turn to be on duty today? 今天轮到你值日吗?
- Experienced banquet waiters must also be on duty . 还必须让有经验的宴会服务员当班。
- Either you or I am going to be on duty. 要么你值日,要么是我。
- Two retired workers are on duty guarding the gate. 两个退休工人值班守卫大门。
- I am on duty tomorrow. I'll have to switch with someone to go to your party. 我明天值班。我得和谁换一下班才能去参加你们的聚会。
- I'd love to come. But I have to be on duty this weekend night. 我是想过来，但我周末晚上得值班。
- Some nurses at the hospital are on duty all night. 这个医院的一些护士整夜值班。
- I was on duty during the morning watch. 我值早班。
- Wang Ying and Li Lei are on duty now. 现在王英和李雷在值日。
