问题
选择题
I have to do my homework for _____ every day. [ ]
A. one and half hour
B. one and a half hour
C. one and half hours
D. one and a half hours
答案
答案：D
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I have to do my homework for _____ every day. [ ]
A. one and half hour
B. one and a half hour
C. one and half hours
D. one and a half hours
答案：D