They are ____ a good price —only $20.中填什么

问题描述:

They are ____ a good price —only $20.
中填什么

应该是many吧

填 at
他们的价钱很合理 只有20元
at a good price 高价
以合理的价格出售
以便宜的价格 We buy the clothes at a very good price.
We have sweaters at a good price only ¥25!