It’s got eight million people.句中It's是以下哪种形式的缩写:A. It’s=" It" isB. It=" It" hasC. It’s=" It" was
My father __________ free. He can’t play with me.
Who is the boy __________ a blue coat? I want to play with him.
What __________ things do you want to buy?
We play badminton __________ every Friday evening.
Everyone in my class ____________ music.