问题
选择题
— It's very important for you to arrive on time.
— I ____ be there at seven o'clock, I promise. [ ]
A. will
B. can
C. must
D. should
答案
答案:A
— It's very important for you to arrive on time.
— I ____ be there at seven o'clock, I promise. [ ]
A. will
B. can
C. must
D. should
答案:A