The window is broken .Try to（ ）who broke it

The window is broken.Try to () who broke it. The window is broken.Try to ( ) who broke it. The window is broken .Try to _______ who broken it The window is broken.Try to ____who broken it the window was broken.the teacher wanted to（）who broke it.1、 The window is broken. Please _____ who broke it.   Who broke the window? --Who broke the window? who broke the window?改成▁▁▁ ▁▁▁the window was broken? The chair is broken. Please _______ who broke it. [ &nb That is the boy ()broke the window A he B it Cwhich D who The window is broken.It needs____（repair） 为啥是 to repair 而不是