问题补充：
---does your uncle watch TV every day?
--- One to two hours.
A. How often
B. How many times
C. How long hours
D. How many hours
答案：
A. How often
B. How many times
C. How long hours
(答案→)D. How many hours
解析：
试题分析:句意:你叔叔每天看多长时间电视?一到两个小时.A是多久一次,B是多少次,C是多长时间,D是多少个小时.根据问题D符合上下文,故应选D.
