问题
选择题
Do you think ________should be allowed to drive?[ ]
A. seventeen years old
B. seventeen-years-old
C. seventeen-year-olds
D. seventeen year olds
答案
答案：C
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Do you think ________should be allowed to drive?[ ]
A. seventeen years old
B. seventeen-years-old
C. seventeen-year-olds
D. seventeen year olds
答案：C