问题
选择题
—How often does your sister surf the internet?
—About .
A．three time
B．three times
C．three time every day
D．three times a day
答案
答案：D
How often 多久一次，句意：你的姐姐多久上一次网？ 大约一天三次。故选D。
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—How often does your sister surf the internet?
—About .
A．three time
B．three times
C．three time every day
D．three times a day
答案：D
How often 多久一次，句意：你的姐姐多久上一次网？ 大约一天三次。故选D。