问题
选择题
To finish the work in such a short time, all of us ________ like crazy day and night.
A．are supposed to work
B．suppose to work
C．suppose to working
D．are supposed to working
答案
答案：A
考查短语be supposed to do sth 应该做某事。 句意：为了在这么短的时间完成工作我们都应该拼命地日夜干活。