Anumberofthesheep________becauseo

发布时间：2020-07-26 04:09:11

A number of the sheep ________ because of infectious disease（传染病）.A.have killedB.has been killedC.have been diedD.have been killed

网友回答

D
以上问题属网友观点，不代表本站立场，仅供参考！