问题补充:
We so tired. Weve only been to a party.
A. mustn have felt
B. wouldn have felt
C. shouldn have felt
D. couldn have felt
答案:
A. mustn have felt
B. wouldn have felt
(答案→)C. shouldn have felt
D. couldn have felt
解析:本题是情态动词的考查。should(not)后接动词的完成式表示“本来(不)应该做但实际上做了”的含义。