5.It took us quite a long time to get there. It was ajourney.

A. three-hours

B. three hour

C.three-hour

D.threehours

正确答案：C

解析：

5.【翻译】我们花了相当长的时间才到达那里.这是一次长达三小时的旅■行：【精析】C "基数同+连字符+名词”可以构成复合形容词，表示数量，此时名词应用单数形式，相当于“基数词+该名词复数的所有格”。因此，“三小时的”可用three-hour或three hours,表示。故选C。

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