Question

More than 20 people ________ in traffic accidents ________ last May.

A．have died, for	B．have died, since
C．have been dead, since	D．have been dead, for

Answer 1

C

试题分析：句意：自从去年五月，超过20 个人在交通事故中死亡。since last May，自从去年五月，一段时间。和一段时间连用，用延续性的动作或状态。die对应的延续性的状态是be dead.,动作从过去延续到现在，用现在完成时态，故选C。