12) 　　A: If you're free, how about lunch? 　　B: When did you have in mind? 　　A: I was thinking about Thursday? 　　B: That will be fine with me. 　　A：有空的话一起吃顿中饭如何？ 　　B：你想什么时候呢？ 　　A：我看星期四怎样？ 　　B：没问题。 　　13) 　　A: I'm calling to see if you would like to have lunch tomorrow. 　　B: I'm sorry, but this week isn't very convenient for me. 　　A: Perhaps we van make it later. 　　B: That would be better. 　　A：我打电话给你，是想知道明天一起吃顿中饭怎样？ 　　B：对不起，这个星期我都不方便。 　　A：那么，也许改天吧。 　　B：好啊。 　　14) 　　A: I'm calling to confirm our luncheon appointment. 　　B: It's tomorrow at twelve o'clock, right? 　　A: Yes, that's right. 　　B: I'll be there. 　　A：我打电话来，是想确定一下我们约好吃饭的事。 　　B：是明天12点吧？ 　　A：是的，没错。 　　B：我会去的。