单项选择题

引导客人上楼时，应该让客人走在前面，接待人员走在后面。
A、正确
B、错误

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单项选择题
______ many times, he still couldn’t understand. ( )
A．Having been told
B．Having told
C．He having been told
D．Telling
多项选择题
What elements can make your resume stand out? A. Highlight your advantages B. Have a healthy lifestyle C. Break the task into parts D. Have wonderful appearance A、Highlight your advantages B、Have a healthy lifestyle C、Break the task into parts D、Have wonderful appearance
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