问题
选择题
— Did Mary go to the exhibition yesterday?
— Yes, but she _____ at home. [ ]
A. may have stayed
B. must stay
C. should have stayed
D. was staying
答案
答案：C
搜题请搜索小程序“爱下问搜题”
— Did Mary go to the exhibition yesterday?
— Yes, but she _____ at home. [ ]
A. may have stayed
B. must stay
C. should have stayed
D. was staying
答案：C