问题标题:
Thedoctoroperated________twentypatientseveryday.A.onB.toC.atD.in
问题描述:
Thedoctoroperated________twentypatientseveryday.
A.on B.to C.at D.in
李德栋回答:
A
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Thedoctoroperated________twentypatientseveryday.
A.on B.to C.at D.in