Mr.Blackusedtobebusy.Butnowhe’stiredand      ,sohehaspl...

问题详情：

Mr. Black used to be Busy. But now he’s tired and       , so he has plenty of time to exer­cise.

A. hard                       B. calm               C. free                      D. nervous

【回答】

C

知识点：相似 相近词比较

题型：选择题