— It’s no easy task to catch a ticket on a website that receives 1 billion clicks daily.
—I can’t agree with you more.There be errors for every single step.
A. should
B. must
C. will
D. can
网友回答
A. should
B. must
C. will
(答案→)D. can
解析:
此处表示“有时会”这个意思,用can可以表示理论上会发生的事,用于肯定句中。此句意为:每一步都可能存在错误。should应该,竟然;must肯定,必须;will将要,均不符合句意。