Twenty-five years______since I graduated from college.

admin2015-07-20  25

问题 Twenty-five years______since I graduated from college.

选项 A、pass
B、passed
C、has passed
D、has been passed

答案C

解析 时间、金钱、距离等作主语,谓语动词用单数。从句中介词since暗示需选现在完成时。pass作“时间推移”解时是不及物动词。
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