it took them ____to visit our school.a one and a half hour b one hour and a half hour

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it took them ____to visit our school.a one and a half hour b one hour and a half hour

应该选 one hour and a half 或者 one and a half hours
是配套练习册上的题目吧.

A

B

没有正确选项,应该是:one hour and a half
或 one and a half hours

B
一个半小时的表达为:one and a half hours或者one hour and a half

A