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
网友回答
(答案→)A. should
B. must
C. could
D. would
解析：考查情态动词辨析。A应该，竟然；B必须，一定；C能够，可以；D会，过去常常；句意：现在已经8点了，我要挂电话工作了，我的老板应该已经来了。根据句意说明A正确。