—Have you ever gone water-skiing before? —Oh, yes,______.

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问题 —Have you ever gone water-skiing before? —Oh, yes,______.

选项 A、a dozen of time
B、dozens of times
C、dozens of time
D、dozen of time

答案B

解析 词语用法题。time这里表示次数,应用复数;另外,可以说a dozen of times或dozens of times,四个选项中只有[B]正确。
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