问题
选择题
Mr. Liu ____ come to the party, but perhaps he will go to see his father. [ ]
A. must
B. should
C. may
D. ought to
答案
答案:C
Mr. Liu ____ come to the party, but perhaps he will go to see his father. [ ]
A. must
B. should
C. may
D. ought to
答案:C