Oh, boy, why are you killing your time this way? Can’t you find something _____

题干

Oh, boy, why are you killing your time this way? Can’t you find something _____ doing?

A．useful

B．worthy

C．valuable

D．worth

上一题下一题 0.64难度单项选择更新时间:2013-03-03 07:24:23

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