问题
选择题
It's nearly eight o'clock. I must hang up and get down to work. My boss _____ be here at any moment.[ ]
A. should
B. must
C. could
D. would
答案
答案:A
It's nearly eight o'clock. I must hang up and get down to work. My boss _____ be here at any moment.[ ]
A. should
B. must
C. could
D. would
答案:A