- 试题详情及答案解析
- You should always do eye ________. Don’t just sit at the desk busy doing ________.
| A．exercise, exercises | B．exercises, exercise |
| C．exercise, exercise | D．exercises, exercises |
- 答案：D
- 试题分析：你应该经常做眼保健操。不要坐在桌边忙着做练习。作早操,规定要加s 作眼操也要加s 如果它作类似于作业的那种"练习",也加s，故选D。
考点：考查动词短语。