单项选择题
A．has just been appointed B．has just appointed C．just appointed D．has just being appointed
He（）in the emergency room when I arrived at the hospita...
单项选择题He（）in the emergency room when I arrived at the hospital.
A．has been treating B．has treated C．had treated D．was being treated
Don't be late.I hate（）waiting for a long time. A．being ...
单项选择题Don't be late.I hate（）waiting for a long time.
A．being keeping B．be kept C．to be kept D．be keeping
Eighty-two people were reported（）in the plane crash. A．...
单项选择题Eighty-two people were reported（）in the plane crash.
A．to have injured B．to have been injured C．injured D．injuring
