When the ceremony (典礼)was 24_ we threw! our caps in the air and we were officially grad
典礼,
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When the ceremony (典礼)was 24_,we threw! our caps in the air, and we were officially graduated from college.
24. A. on B. up C. over D. away
请帮忙给出正确答案和分析,谢谢!
