关于Theresearchissodesig的百科

•  Theresearchissodesignedthatonce

• 问题详情： Theresearchissodesignedthatonce_______nothingcanbedonetochangeit.    A.begins        B.havingbegun   C.beginning      D.begun【回答】D知识点：一般过去时及其被动式题型：选择题...
• 2019-08-108864