问题补充：
—It’s a pity that I can only live here for two days .
—Why not stay for another day? I know you have three days off.
A. at first
B. at last
C. at least
D. at most
答案：
A. at first
B. at last
C. at least
(答案→)D. at most
解析：句意：—可惜的是，我只可以在这里至多住两天。—为什么不再多待一天？我知道你有三天的假期。at first 起初; at last 最后; at least 至少; at most至多，故选D。
考点: 考查介词短语的用法。
