问题
选择题
| My brother is ____ years old. Today is his _____ birthday. |
A. nine; nine B. nine; ninth C. ninth; ninth D. nin  th; nine |
答案
答案：B
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| My brother is ____ years old. Today is his _____ birthday. |
A. nine; nine B. nine; ninth C. ninth; ninth D. nin th; nine |
答案：B