单项选择题
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
The doctor said that the patient had（）at once. A．to ope...
单项选择题The doctor said that the patient had（）at once.
A．to operate B．to be operated C．to operate on D．to be operated on
