Tony _____ go to the opera on Saturday b
题型:选择题
问题:
Tony _____ go to the opera on Saturday because he's going to have a meeting. [ ]
A. can't
B. might
C. mustn't
D. should
Tony _____ go to the opera on Saturday because he's going to have a meeting. [ ]
A. can't
B. might
C. mustn't
D. should