----Shall I go and buy two more bottles of beer?
----No, I’ve already bought them yesterday. That be enough for us two.
A. can
B. may
C. should
D. might
网友回答
A. can
B. may
(答案→)C. should
D. might
解析：句意：——我要去再买两瓶啤酒么？——不，我昨天已经买了。那些对我们两个应该够了。can能、会；may可以；should按道理应该；might ，是may的过去式，也可表示比may更客气。所以选C。
考点: 考查情态动词的用法。