What's your favourite TV series?
What is your favourite vegetable?
What was/is your favourite school subject?
Who is your favourite cartoon character?
What is your favourite fruit?
What is your favourite App on your phone?
What's your favourite hobby?
What's your favourite city?
What's your favourite holiday destination?
What's your favourite way to spend a sunny day?
What is your favourite dessert?
What's your favourite drink?
What's your favourite thing to have for breakfast?
What's your favourite animal?
What is your favourite sandwich?
What's your favourite film/movie?
What is your favourite type of weather?
What is your favourite cuisine?