Помогите пожалуйста решить правильно(

1) 1. an
2. a
3. a
4. an
5. a
6. an

2) 1. it
2. they
3. she
4. they
5. he

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

4) 1. have
2. has
3. has
4. have
5. has

5) 1. this is a ruler
2. where is the maths lesson
3. has he got a camera
4. Ann is my friend
5. I have not got a ruler

6) 1.October
2. pen
3. is
4. Russian