答题翼 > 问答 > 学历类考试 > 正文

目录：标题| 题干| 答案| 搜索| 相关

A．has beenB．has been doingC．has been doneD．has done

A．has been

B．has been doing

C．has been done

D．has done

请帮忙给出正确答案和分析，谢谢！

参考答案

您可能感兴趣的试题

A great deal has been done to remedy the

答案解析
A great deal has been done to remedy the s

答案解析
A great deal has been done to remedy the s

答案解析
A great deal has been done to remedy the s

答案解析
A great deal has been done to remedy the s

答案解析
A great deal has been done to remedy the

答案解析
A great deal has been done to remedy the

答案解析