题目内容
Three hours _________ enough for a _______ boy to read books .
A. is , ten-year-old B. are ten-year-old
C. is ten-years-old D. are , ten-years -old
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题目内容
Three hours _________ enough for a _______ boy to read books .
A. is , ten-year-old B. are ten-year-old
C. is ten-years-old D. are , ten-years -old