问题
选择题
We _____ last night, but we went to the concert instead. [ ]
A. must have studied
B. might study
C. should have studied
D. would study
答案
答案:C
We _____ last night, but we went to the concert instead. [ ]
A. must have studied
B. might study
C. should have studied
D. would study
答案:C