一、日常交流类

问候与邀请

- Hello/Hi! How's your day going？

- Let's go for a walk, shall we？

- I'd like to invite you to dinner tomorrow.

基本应答

- Yes, please. / No, thank you.

- That's all!

- Excuse me, could you help me with this？

二、购物与餐饮类

购物场景

- How much is this？

- I'll take this in a different size.

- Can I pay by card？

餐饮场景

- I'll have the steak, medium rare.

- Could I get the bill, please？

- This dish is delicious!

三、交通与出行类

交通工具

- I'll take the bus to the station.

- Can you show me on the map？

- The train leaves in 15 minutes.

路况与方向

- Could you drive a bit slower？

- Turn left at the second intersection.

四、健康与生活类

健康表达

- I feel a bit sick.

- I need to exercise more.

- This medicine tastes strange.

日常活动

- I have a meeting at 10 AM.

- I'm going to the gym today.

- The weather is perfect for a picnic.

五、紧急情况类

求助与安慰

- Please help me! I'm lost.

- That's okay, I'll help you.

- Don't worry, it'll be alright.

时间与预约

- I'm running late.

- Can we reschedule for next week？

这些句子覆盖了公共英语一级考试中常见的口语场景，建议结合实际对话练习使用。考试时注意发音清晰、语调自然，并根据具体语境灵活运用。