大学六级对话理解

大耳朵英语　 http://www.ebigear.com　 2003-09-01 18:49:57　 【打印】

A)13
B)17
C)30
D)15
W: if tom and Marry don’t come to the party, I’ll have 13.
M: Let’s invite two more just in case.
Q: If everyone comes, how many will be at the party?