问题
选择题
—________ have you been in this school?
—For two years.
A．How often
B．When
C．How soon
D．How long
答案
答案：D
根据答语内容For two years.，可知答案为D，表示多久一次，故选答案为D
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—________ have you been in this school?
—For two years.
A．How often
B．When
C．How soon
D．How long
答案：D
根据答语内容For two years.，可知答案为D，表示多久一次，故选答案为D