Therehasbeena__________lackofcommunicationbetweentheunionandthemanagement.
A.regretful B.regrettable C.regretting D.regretted正确答案B
Therehasbeena__________lackofcommunicationbetweentheunionandthemanagement.
A.regretful B.regrettable C.regretting D.regretted正确答案B