the police ()to find the truth of the murder A.has being trying B.has been tried C.have been triedD.have been trying
问题描述：
the police ()to find the truth of the murder A.has being trying B.has been tried C.have been tried
D.have been trying
答
the police ()to find the truth of the murder
A.has being trying
B.has been tried
C.have been tried
D.have been trying
选D
police表示复数,用have,have后要接动词过去分词,排除AB.be tried表示被动,排除C