问题

I know Simon is ____________boy. He can swim and ride.
A:a 11-year-old
B:an 11-year-old
C:a 11-years-old
D:an 11-years-old;
B:an 11-year-old
C:a 11-years-old
D:an 11-years-old;
正确答案是:
同类题型
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