---- What does P．O． ? ----Poster order, I guess． A． call for B． wait for C． prep
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---- What does P．O． _________?
----Poster order, I guess．
A． call for B． wait for C． prepare for D． stand for
试题答案
D
---- What does P．O． _________?
----Poster order, I guess．
A． call for B． wait for C． prepare for D． stand for
D