Sale information and price expression

Which word is "to buy"?

• 买

• 卖

• 送

Which option is "to sell"?

• 买

• 卖

• 送

Which option is "buy two get one for free"

• 买 一 送 一

• 买 二 送 一

• 买 两 送 一

What is "九块九毛九"？

• $ 9.99

• $ 9.09

• $ 9.90

What is the correct expression of "85 cents"?

• 八毛五

• 八十五毛

• 八块五毛

Which option is "12% off"?

• 一二折

• 十二块

• 八八折

• 七八折

Which option is "40% off"？

• 六十折

• 六折

• 四折

• 四十折

Which two options mean "50% off"

• 半折

• 半价

• 五折

• 五十折

Which option means "dollar"?

• 钱

• 毛

• 快

• 块

What does the picture mean?

• 90% off

• buy one get one free

• 10% off