- 试题详情及答案解析
- −___________ does your uncle exercise? Less than three times a week.
| A．How long | B．How often |
| C．How many times | D．How much |
- 答案：B
- 试题分析：A. How long 多长； B. How often多久一次； C. How many times多少次； D. How much 多少。句意：--你的叔叔多长时间锻炼一次？--一周至少3次。根据答语回答的是频率。故选B。
考点：考查疑问词辨析。