问题
选择题
______ the employees’ working efficiency, the supervisor will allow them to have a coffee
break.
A.Improving
B.To improve
C.Having improved
D.Improved
答案
答案:B
______ the employees’ working efficiency, the supervisor will allow them to have a coffee
break.
A.Improving
B.To improve
C.Having improved
D.Improved
答案:B