问题
选择题
- --How often does your sister use the Internet? ---About _________.
A．three time
B．three times
C．three time every day
D．three times a day
答案
D
题目分析: 句意：你的姐姐多久用一次互联网？大约一天三次。how often多久一次，询问频率。three times，三次， a day一天,故答案选D.