句子:1. Can I use your pen? 我可以用你的笔吗?2. Where is he sleeping? 他在哪里睡觉?3. This is the reason why I didn't come yesterday. 这就是我昨天没来的原因。4. Do you have an appointment? 你有预约吗?5. This is the restaurant where we had dinner last week. 这就是我们上周吃饭的那家餐馆。6. Are those your dogs? 那是你的狗狗吗?7. I wasn't listening to music in my room then. 当时我没有在房间里听音乐。8. My son is a high school student. 我儿子是一名高中生。9. Can your wife drive a car? 你妻子会开车吗?10. That's a good idea! 好主意!别忘了