a total of 39 human bird flu cases,including 28deaths,_____reported in asian countries ,such as Viet NamA.has B.have C.has been D.have been

分类: 作业答案 • 2022-04-15 10:05:13

问题描述：

a total of 39 human bird flu cases,including 28deaths,_____reported in asian countries ,such as Viet Nam
A.has B.have C.has been D.have been

答

have been
cases 复数主语的现在完成时的被动语态

答