--- How much is the ticket to Central Park?
--- A one-way ticket ______ ＄40, and you can ______ another ＄20 for a round-trip.

A．costs, pay	B．costs, spend
C．pay, spend	D．spends, pay

科目 英语   题型 单选题   难度 容易

知识点： 比较介词