问题
选择题
They must have been enjoying themselves there, or they _____ so long. [ ]
A. wouldn't stay
B. wouldn't have stayed
C. needn't have stayed
D. couldn't stay
答案
答案：B
搜题请搜索小程序“爱下问搜题”
They must have been enjoying themselves there, or they _____ so long. [ ]
A. wouldn't stay
B. wouldn't have stayed
C. needn't have stayed
D. couldn't stay
答案：B