C fill in the blanks with must – mustn’t / have to – don’t have to. I

C) Fill in the blanks with must – mustn’t / have to – don’t have to.

1. 
   I -------- eat junk food if I want
   

to be healthy.

2. 
   I -------- be careful during the exam. Otherwise I can’t be successful.
   
3. 
   We -------- cross the street
   

when it is red.

4. 
   My mother -------- get up too
   

early. Because she doesn’t work.

5. 
   I -------- inform my boss that
   

I will be late to work.

6. 
   My father always reminds me that
   

I -------- study more.

7. 
   You -------- wear school uniform in this school. It is not necessary.
   
8. 
   You -------- make noise at night.
   
9. 
   You -------- be careful while you are driving.
   
10. 
    We -------- cut the trees if we want to earn money.
    
11. 
    I -------- get up early today. I have a meeting at eight o’clock.
    
12. 
    I -------- leave home as soon as
    

possible or I will be late to school.

13. 
    I -------- make a cake today as it
    

is my son’s birthday.

14. 
    We -------- clean the house after
    

the party. Otherwise my mom will
be angry.

15. 
    They -------- type the letters today. Because they have enough time to
    

finish them.

1. 
   Choose the correct answer.
   

1. 
   I must / mustn’t lose weight. I’m too fat.
   
2. 
   I must / mustn’t be late for the school.
   
3. 
   The kids must / mustn’t sleep regularly to grow healthily.
   
4. 
   I must / mustn’t finish my homework.