Mr. Brown has stopped drinking since he ___

试题详情及答案解析

Mr. Brown has stopped drinking since he ____ on.

A．will operate	B．will be operated
C．operated	D．was operated

答案：B

试题分析：句意：布朗先生已经停止饮水由于他将要做手术。He是operate on这一动作的承受者该用被动语态。所以选B。
考点：考查动词时态及被动语态。