关于Whenyouareplantingtr的百科

•  Whenyouareplantingtrees,thetrees

• 问题详情： Whenyouareplantingtrees,thetrees________straightinthehole.      A.mustput     B.mustbeput  C.areputting  D.isput【回答】B知识点：动词语态题型：选择题...
• 2020-10-2723830