问题
选择题
I got the gift __________ my __________ birthday.[ ]
A. at; ten
B. on; tenth
C. at; tenth
D. on; ten
答案
答案：B
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I got the gift __________ my __________ birthday.[ ]
A. at; ten
B. on; tenth
C. at; tenth
D. on; ten
答案：B
