What
Where
When / How often
Who
100
What is this? 
It's a pencil case.
100
Where is this place?
It's in Brazil
100
When do you have classes?
I have classes on (...)
100
Who is your best friend?
(...) is my best friend.
200
What time is it?
It's 3 o'clock
200
Where is this party?
It's in Mexico
200
When do you eat pizza?
I eat pizza (...)
200
Who is this person?
He's Terry Crews
300
What do you do in your free time?
I... (Personal answer)
300
Where is this flag from?
It's from Portugal
300
How often do you come here?
I (frequency adverb) come here
300
Who works / studies with you?
(...) works / studies with me.
400
What time is it? 
It's six forty-five OR it's fifteen to seven.
400
Where is the little girl?
She's under the desk.
400
How often do you speak english?
I (frequency adverb) speak english OR I speak english (...)
400
Who do you like to go out with?
I like to go out with (...)
500
What does your best friend like to eat?
He / She likes to eat (...)
500
Where are they?
They're at the club / party.
500
When is your free day?
It's on (...)
500
Who helps you with your homework?
(...) helps me with my homework