it's( ) from our home to the zoo?a.two and a half hours'walkb.a half two hours walkc.two hours and a half hour's walkd.two and a half hours walk
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it's( ) from our home to the zoo?a.two and a half hours'walkb.a half two hours walkc.two hours and a half hour's walkd.two and a half hours walk
it's( ) from our home to the zoo?
a.two and a half hours'walk
b.a half two hours walk
c.two hours and a half hour's walk
d.two and a half hours walk
it's( ) from our home to the zoo?a.two and a half hours'walkb.a half two hours walkc.two hours and a half hour's walkd.two and a half hours walk
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正确答案是：A
【解析】：
It's two and a hours' walk to the zoo .
去动物园需要步行两个半小时.
首先,两个半小时的表达： two and a half hours ,two and a half 是复数,hour 加s.
其次,这里只缺 is 的表语,walk 是主体,two and a half hours 只能修饰 walk,所以用所有格形式two and a half hours' .
正确答案是A.
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two and a half hours' walk
固定表示两个半小时，有因为是两个半小时的路程，所以是 hours'
答案选A
根据句意，应用所有格形式修饰walk，因此可先排除选项B和D；其次，由于时间长达两个半小时，因此hour应用复数形式hours，因此选A。