Asitturnedouttobeasmallhouseparty,we
来源：语文精选馆 3.26W
问题详情：
As it turned out to be a small house party, we ________ so formally.
A. couldn’t have dressed up B. shouldn’t dress up
C. mustn’t have dressed up D. needn’t have dressed up
【回答】
D
知识点：虚拟语气与情态动词
题型：选择题
