一道英语题 急用

1.Did John a science experiment?
2.Where did Rose find a wallet?
3.Last night I delivered many mails to my friends.
4.We needn't to go to school last week.
5.Why did Candy miss the early bus?

1.Did John do a science experiment？
2.Where did Rose find a wallet?
3.Last night,I sent my friends a lot of email.
4.We needn’t go to school last week.
5.Why did Candy miss the early bus ?

应该是这样吧！呵呵！

Did john a science experiment?
Where did Rose find a wallet?
I spend a lot of email to my friends last night.
We needn't to go to school last week.
Why did Candy miss the early bus ?

John did a science experiment.
Where did Rose find a wallet ?
Last night,I sent lots of e-mails to my friends.
We didn't go to school last week.
Why did Candy miss the early bus.

??????

1.Did john do a science experiment?
2.Where did Rose find a wallet?
3.I sent a lot of emails to my friends last night.
4.We didin't have to go to school last week.
5.Why did candy miss the early bus?