肯定句是 they prefer playing football.
否定句 they don't like playing football.
疑问句是 do they like playing football?
回答 yes,they do 和no,they don't
肯定句是 they prefer playing football.
否定句 they don't like playing football.
疑问句是 do they like playing football?
回答 yes,they do 和no,they don't