问题
选择题
The boys always stays here for _________>
A．one and half hour
B．one and half a hour
C．one and a half hours
D．one and half hours
答案
答案：C
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The boys always stays here for _________>
A．one and half hour
B．one and half a hour
C．one and a half hours
D．one and half hours
答案：C