问题
选择题
—Why didn’t you come to Mike’s birthday party yesterday?
—Well, I _____, but I had something important to do at the moment. [ ]
A. should
B. must
C. should have
D. must have
答案
答案:C
—Why didn’t you come to Mike’s birthday party yesterday?
—Well, I _____, but I had something important to do at the moment. [ ]
A. should
B. must
C. should have
D. must have
答案:C