Is he/she tall or short?
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Is he/she in your class?
Yes, he/she is. - No, he/she isn't.
Has he/she got a nice smile?
Yes, he/she has. - No he/she hasn't.
What is your best friend's favourite sport?
...
What is his/her hair style?
Curly, wavy, straight, short, long
What colour is your best friend's hair?
...
Does she/he wear glasses?
Yes, he/she does. - No, she/he doesn't.
Has he/she got earrings?
Yes, he/she has. - No he/she hasn't.
What's your best friend's favourite colour?
...
What colour are your best friend's eyes?
...
What's your best friend's name?
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What's your best friend's favourite food?
...
How old is your best friend?
...