题目：
All of the employees insisted that their boss _____ take immediate action to solve this difficult problem
in the next few days. [ ]
A. will
B. should
C. must
D. could
答案：
答案：B
All of the employees insisted that their boss _____ take immediate action to solve this difficult problem
in the next few days. [ ]
A. will
B. should
C. must
D. could
答案：B
