- 试题详情及答案解析
- ---Your grandfather still seems very energetic, although he is already in his seventies now.
---Yes, he _______in the army for three years when he was young.| A．would serve | B．served |
| C．had served | D．has served |
- 答案：B
- 试题分析：考查时态。根据第一句可知，“我爷爷”已经七十多岁了，第二句说的是他年轻时候在部队里待过三年，由此可知，在部队里是过去的事情，用一般过去时，故选B。
考点：考查时态