简单的英语翻译与同义句转换 速来速来! Could you tell me how i get to the hospi

1.Could you tell me how to get to the hospital?
Coule you tell me how I can get to the hospital?
2.He told me not to choose which one on the shelf.
3.If you work hard, you'll get good grades.
4.The box is so heavy that I can't carry it.
The box isn't light enough for me to carry.
The box is too heavy, so I can't carry it.
5.I didn't go to bed until my parents came home.
6.Many people went to see him when he was ill.
翻译：
1.What can I do for you?
2.He is a person that is strict to himself.
3. The letter on the table is the one my mother wrote to me yesterday.
4.We've caught the thief who stole my wallet.