为下列句子选择合适的特殊疑问词。
Why, How, When, What time, whose, Who,How many
_________girls are there in your class? There are fifteen.
_________do you usually get up? I usually get up at six.
_________is he? He is my uncle.
________gloves are these? They are mine.
__________ is your birthday? It’s in January.
__________are you so happy? Because my birthday is coming soon.
_________ do you usually go to school? I usually go to school on foot.