问题补充:
The famous actor keeps fit by for an hour every morning.
A. turning out
B. carrying out
C. working out
D. making out
答案:
A. turning out
B. carrying out
(答案→)C. working out
D. making out
解析:短语辨析。A结果是;B执行;C锻炼,制定出;D辨认出,理解;句意:那一位著名的演员通过每天早晨锻炼一小时,来保持健康。根据句意说明C正确。