Помогите пожалуйста!
1. They have not lived here for very long. They ____, know many people.
a) could
b) should
c) must not
d) might
2. The phone rang but I did not hear it. I ___ have been asleep.
a) could
b) may
c) must
d) might
3. ____use the phone, please?
a) Must I
b) Have I to
c) May I
d) Am I to
4. Youll understand nothing unless you___ the book yourself.
a) read
b) wont read
c) dont read
d) ll read
Спасибо огромное!

1. c) must not 
2. c) must
3. c) May I
4. a) read

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