He _____ 20 dollars for his old bike the other day and bought a new one.
A. paid B. cost C. took D. spent
He _____ 20 dollars for his old bike the other day and bought a new one.
A. paid B. cost C. took D. spent
C
pay $ for sth.是花钱买什么；cost 是物作主语；spend $ on sth.与此句结构不对；take $ for sth.是表示“从…得到多少钱”。