题目内容
______ the worker’s working efficiency, the manager will allow him to have a coffee break.
|
A.Improving |
B.To improve |
C.Having improved |
D.Improved |
【答案】
B
【解析】略
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题目内容
______ the worker’s working efficiency, the manager will allow him to have a coffee break.
|
A.Improving |
B.To improve |
C.Having improved |
D.Improved |
B
【解析】略