为了支持“新丝绸之路经济带”和“21世纪海上丝绸之路”沿线国家基础设施建设，实现亚洲

Not only Tom but also Jack ______ to that city several times.[ ]

A. have been  

B. has been  

C. have gone  

D. has gone

The course normally attracts 20 students per year, _______ up to half will be from abroad. [ ]

A. in which        

B. for whom        

C. with which    

D. of whom

In the context of employment law, state how the courts decide whether someone is self-employed or is an employee. (10 marks)

传真的真实性特点，主要源于其所传送的是文书原件的（　　）。

A．简化

B．真迹

C．抄件

D．缩写

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