I thought the window must have been opened.(been opened 两个分词
I thought the kitchen window must ____(be) opened,(用括号词的适当形式
must we keep the window ____A.open B.opened 我选B.因为过去分词作定语嘛`
英语翻译1.There have been opened up to the vast and excellent sc
急 been open还是has been opened
when I opened the window,I hearsome birds_________in the tre
单句改错:The door has been opened itself
Mr.Smith has been here since the factory opened为
The shop has been opened (since 2 months ago.)
--Would you mind if I opened the window?
They have never been opened.为什么不可以是They never have been open
open变延续性动词是have been open还是have been opened?总觉得两个都行如果两个都行,那有
they have already been opened been 和already不能颠倒吗