问题
选择题
We are at your service. Don't ________ to turn to us if you have any further problems.[ ]
A. beg
B. hesitate
C. desire
D. seek
答案
答案：B
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We are at your service. Don't ________ to turn to us if you have any further problems.[ ]
A. beg
B. hesitate
C. desire
D. seek
答案：B