分类：教育/科学-学习帮助
问题：急,急,急,英翻汉,请问这句话英翻汉怎么翻?很急的,谢谢1.汛期 
1.汛期来临以前,他们沿河筑起了防护墙,以防洪水.(in case of)2.无论你做什麽事情,都必须记住我的话.(ep in mind)3.你确信火车还没有离开吗?(make sure)4.有人问他时,他提了一些很有实用价值的好意见.(when从句的省略)5.如果他来了,我们对他说些什麽呢?(虚拟语气)6.如果你昨天把毯子反转过来,你就会发现你的书了.(虚拟语气)7.你本应该早一点告诉他事情的真相.(虚拟语气)
回答：1. They build the protecting walls along the river in case of flood.
2. No matter what you do, you must keep my words in mind.
3. Have you made sure that the train hasn't left?
4. When asked, he gave some practical advice.
5. If he should come, what would we say to him?
6. If you had turned the carpet over, you would have found your book.
7. You should have told him the truth earlier.