问题
选择题
—_____ do you go to the zoo with your brother?
—Three times a month.
A．How long
B．How often
C．How old
D．How much
答案
答案：B
题目分析：句意：你和你哥哥多久去一次动物园？一个月三次。根据答语可知上句是提问频率。A多久，问时间段，B多久一次，C多大了，问年龄，D多少，问价格。故选B.
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