Modal Verbs №1

Перефразируйте предложения, используя модальные глаголы must, can't:

1    I'm sure she has gone on holiday.
She ...must have gone on holiday....

2    I'm certain he doesn't know the secret.
 He..........

3             I'm certain Mike hasn't got a new car.
Mike.............

4    I'm sure Susan has paid the phone bill.
Susan......................  

  
5    I'm sure they don't live here.
They...............  

 
6    I'm sure they left the party early.
They....................   

7    I'mcertain he didn't call me.
He........................ 

  
8    I'mcertain Marie sent you a birthday card.
Marie.....................  

 
9    I'm sure she has been keeping secrets from me.
She...................  

 
10    I'mcertain she is looking for a new job.
She......................   

11    I'm sure David didn't go to the supermarket.
 David.....................   

12    I'm certain he is working at the library.
 He..........................