戴拿盖亚迪迦一起出现:·帮帮忙汉译英~~~~~~急急急

我只写跟上面不太一样的吧：
3. How long did you spent on doing your homework yesterday?

5. It is beneficial for us to drink more water.

6. I should try my best whatever I do.

7. We cannot laugh at others who are in troubles.

1. When and where were you born?
2.We have much homework,so you\'d better do homework first.
3.How long did you spend in doing homework yesterday?
How long did it take you to do homework yesterday?
4.The students are busy in preparing for the exam.
5.Drinking more water is good for our health.
6.Whatever we do, we should try our best to do it well
7.When others are in trouble, we can not laugh at them
8.Eidison was interested in science when he was a child.
9.The youth are not permitted to smoke

答案：
1.When and where were you born?
2.Our homework is numerous today, you'd better do the homework first .
3.How long did you spent to do the homework yesterday?
4.The students are busy preparing for the examination.
5.Drink more water healthy and beneficial to us.
6.No matter what should I do done the best to do well.
7.When others are in the predicament , we can't laugh at them .
8.Edison was interested in science as a child.
9.Teenagers are forbidden to smoke.

1.Where and when were you born?
2.You'd better do your homework first,because we have a lot of homework to do today.
3.How long did you spend in doing your homework yesterday?
4.The students are busy getting ready for the exam.
5.Drinking much water is good for our health.
6.No matter what we do,we should try to do it well.
7.We shouldn't laugh at others when they are in trouble.
8.Edison was very interested in science when he was very young.
9.Teenagers mustn't smoke.