Thoughit'sachallengingjob, hedidit         ittookme．   ...

问题详情：

Though it's a challenging job,  he did it          it took me．

     A．one-third a time                                    B．one – third time

       C．the one - third time                                     D．one - third the time

【回答】

D

知识点：数词 量词

题型：选择题