Put the correct punctuation mark? что нужно делать

1)i have to work hard to improve my english

2)joan doesn’t   have to go.she can stay here.

3)i’m   sorry   i’m late.i had to do the shopping.

4)i think the spacemen has known english.

5)does she have to read this rule?

6)tom doesn’t  have to use a computer.

7)you have to know english to understand people.

8)does mary have to help ann to study english?

9)what time do you have to get up?

10)has your teacher corrected your homework?  

1)how long have you been saving for christmas  and new year presents? - как долго ты копил на рождественские и новогодние подарки?

2)did you save enough money fоr the new year party? - ты накопил достаточно денег для новогодней вечеринки?