tknowwh的精选

问题详情：Mostpeoplewillansweraringingphone.Usuallyyoudon’tknowwhoisphoningorhowurgenttheirbusinessis,soaringingphoneisdifficulttoignore.Inoneexperiment,aresearcherwrotedownthenumbersofseveralpublicpho...

问题详情： Thepolicehavelookedintotheaccident. Buttheydon'tknowwhoshouldberesponsibleforthe____.t                      B.mistake                 C.error    ...