Ifyoupayforthecomputerincash,youcouldhavea5%discount;

问题详情：

 If you pay for the computer in cash, you could have a 5% discount; _______, we can deliver it to you for free.

 A. in demand      B. in addition      C. in return       D. in place

【回答】

B

知识点：词组 短语

题型：选择题