ManypeoplethinkthatI’maluckydog,butittakesmeyearsofhar...

问题详情：

 Many people think that I’m a lucky dog, but it takes me years of hard work to be _______ I am now．

A．what                         B．which                 C．whom                 D．how

【回答】

A

知识点：连词

题型：选择题