Замените выделенный модальный глагол его эквивалентом Ann has to stay in the hotel

Ann must stay in the hotel

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?  

how do you feel?

are you free?

have you done your homework?

why you are not ready?

do you like something to eat?

what do you do on friday?