EighteenUSadoptionagenciesmailedthe

发布时间：2020-07-26 07:22:41

Eighteen US adoption agencies mailed the survey to 2,159 families who ________ children from Eastern Europe．A.had adoptedB.have adoptedC.adoptedD.had been adopted

网友回答

A
以上问题属网友观点，不代表本站立场，仅供参考！