问题
选择题
The famous actor keeps fit and athletic by __________ at the gym for an hour every morning.
A．making out
B．figuring out
C．working out
D．turning out
答案
C
题目分析： 句意：这个著名的演员通过每天早上在体操房锻炼一个小时保持健康健壮。四个选项的的含义分别是：A. making out 辨认出，理解，B. figuring out弄明白，C. working out制定出，锻炼，D. turning out结果是，根据句意选C。