问题
选择题
Police are searching for an escaped criminal who is reported to _____ since he broke away from the prison．
A．have been missing
B．have lost
C．be missing
D．get lost
答案
答案：A
考查时态。句意：警方正在搜寻一个逃犯，据报道自从他从监狱逃跑就一直消失不见。可知描述的是从过去某时开始一直持续到现在的动作，并且还可能将持续下去。故用完成进行时，选A。