关于Didyouhandinyourrese的百科

•  -----Didyouhandinyourresearchpapertoourhistoryteachert...

• 问题详情： -----Didyouhandinyourresearchpapertoourhistoryteacherthismorning?  ----Yes,I_____onitformorethantwomonths. A.haveworked    B.hadworked C.wasworking D.hadbeenworking【回答】D知识点：过去完成时及其被动式题型：选择题...
• 2021-09-0615853