9句英语翻译！！急！！

1、如果前门没人开，去敲后门试试看。（try）

2、你认为这只手表值50美元吗？（worth）

3、一两天后我哥哥要去北京，不过他很快就会回来的。（a day or two）

4、水不但是世界上最普通的液体，而且也也是最重要的液体。（not only，but also）

5、这个小男孩晚上很少出去，因为他父母对他很严格。（strict）

6、这座桥损坏得很严重，谁应当对此负责？（responsible）

7、由于天气暖和，阳光充足，今年的水稻长势良好。（because of）

8、我兄弟和我长得太像了，人们经常认为我们是孪生兄弟。（alike）

9、他说他两天前见过你姐姐。（before）

1.Try knocking at the back door if nobody hears you at the front door 2.Do you think the watch is worth $50 3.In a day or two ,my brother will go out,but he will go back soon 4. Water is not only the most common liquid, but also is the most essential liquid. 5.This small boy seldom goes out at night because his parents are very strict with him.
6.Who should be responsible to the serious damage of this bridge? 7.The warm weather and abundant sunshine promoted the growth of the paddy this year.
8.My brother and I look alike, therefore people often think that we are twins.
9.He said he ever saw your sister two days before

If no one opened the front door, knock on door give it a try.

Do you think The watch was worth fifty dollars?

A couple of days later my brother to go to Beijing, but he soon come back.

Water is not only the world's most common liquids, but also the most important liquid.

The little boy rarely go out at night, because he was very strict with his parents.

The bridge is badly damaged, who should be responsible?

As the weather warm and sunny, this year's rice crop is growing well.

My brother and I have grown too, like, people often think that we are twins.

He said he had seen two days before your sister.

If the door open, nobody to try knocking at the back door