如果昨晚没熬夜的话，他今天早上就不会睡过头了。
1. If he hadn't stayed up late, he hasn't overslept.
警察一直在搜寻的那个嫌疑犯直到今天凌晨才现身。
2. The suspect who was searched by the police hadn't appeared until wee hours today.
如果对我们酒店的服务不满意，你可以向消费者协会投诉。
3. If you are unsatisfied with the service of our hotel, you can complain to the Consumer Association.
每当听到那首歌，我都会回想起童年的经历。
4. Whenever I hear that song, I remember the experience of my childhood.
这些在地震中受损的建筑需要修复。
5. These buildings damaged in the earthquake need repairing.
我在公园里散步，突然有个年轻人抢走了我的包。
6. While I was walking in the park, a young man snatched my bag sunddenly.
他在考试前做好了充分的准备。
7. He has prepared well before the exam.
这些蔬菜受到了严重污染，对公众健康构成了威胁。
8. These vegetables had been polluted that posed a threat to the health of people.
不要玩这么长时间的电脑游戏，否则今天的活儿就干不完了。
9. Don't take a loog time to play computer games, otherwise you can't finish your work today.
听说自己所在的公司即将倒闭，他感到很沮丧。
10. Hearing that the company which he working in will be closed, he feels dispirited.
If he hadn't stayed up late yesterday,he would not overslept
9.long 10.which he works in