27.A: How did you mess up so badly?
B: I don’t know. ______
(A) He works for human resources.
(B) I cleaned up the mess yesterday.
(C) I followed the instructions to the letter.
(D) Did you follow protocol?
詳解 (共 2 筆)
未解鎖
短語to the letter 的意思是...
未解鎖
Ｄ）protocol 草案 C) I f...
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