问题

Tony is ________ student.
A:an 11-year-old
B:an eleven-years-old
C:a 11-year-old
D:a eleven-year old
B:an eleven-years-old
C:a 11-year-old
D:a eleven-year old
正确答案是:
同类题型
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Mr. Ding, thank you our English classes fun. —You’re welcome.[ ]
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