中国银行

单选题Applications for the Hamilton School of Business scholarship must_______by June I inorder to be considered. 

A.be mailing 
B.mails 
C.be mailed 
D.mail 

参考答案:C进入在线模考
【答案】C。解析:主语“applications”需要被邮寄,从而可以知道它和动词“mail”为被动关系,正确答案为被动语态的C。