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7.
1) our
2) your
3) their
4) our
5) their

5. 1) are
2) is
3) is
4) are
5) are
6) is

2. 1) your
2) my
3) her
4) its
5) his

1. 1) are you twenty one?
2) your teacher is from Britain?
3) what’s your email address
4) where’s Manchester
5) are you single?
6) are you from a big city?
7) is your father a businessman?