问题
选择题
| I got the gift _____ my _____ birthday. |
A. on, ninth B. at, ninth C. at, twelfth D. on, twelve |
答案
答案：A
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| I got the gift _____ my _____ birthday. |
A. on, ninth B. at, ninth C. at, twelfth D. on, twelve |
答案：A