题目内容:
The profit-sharing plan is designed to______the staff to work hard.
A.calculate
B.demonstrate
C.speculate
D.motivate
参考答案:【答案仅供学习,请勿对照自行用药等】
The profit-sharing plan is designed to______the staff to work hard.
A.calculate
B.demonstrate
C.speculate
D.motivate