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职称英语
理工类C级
[单选题]
Don't [hesitate]to call me if there is anything I can do for you.
A.pause
B.refuse
C.reject
D.wait
参考答案与解析：
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![Don't [hesitate]to call me if there is anything I can do for you.](https://img.zhaotiba.com/tiku75/15023705.jpg "Don't [hesitate]to call me if there is anything I can do for you.")