英语翻译1.他喜欢去有海的地方旅游.2.请把这些书放回原处（它们原来所在的地方）.3.因为昨晚下雨了,所以地面很湿.4.

1.They like to go travling where there is the sea.
2.Put the books where they were.
3.Because it was raining last night,the ground is wet.
4.It must have been raining last night because the ground is wet.
5.Since everyone understands it,let's begin.
6.Children are singing while (they are) dancing.
7.He got up early so that he could catch the first bus.
8.He got up so early that he caught the first bus.
9.He cut off the electricity so that he could prevent the fire from breaking out.
10.The old man was so angry that he couldn't say any words.
11.It was too hot so all went swimming.
12.If there were no water,what would happen?
13.I won't go to the party unless I am invited.
14.If you trust me,I will be able to help you to achieve your goal.
15.Once you lose your confidence,you lose everything.