单选题 If you have any questions about your benefits, ______ the payroll department.
A. suggest
B. revise
C. contact
D. depend

【正确答案】 C
【答案解析】中级问题 “若有疑问,请联系……”是题目中经常出现的句式。contact是用于“S+V+O”结构的及物动词。
[高频词语] suggest + -ing/that 提议做某事 revise 修订 depend on 倚靠……