A．repairing B．to repair C．being repaired D．to be repairing
单项选择题So little （） about physics that the lecture was completely beyond me.
A．I knew B．did I know C．I had known D．had I known
单项选择题It is （） for her to wear a formal suit at the homely little party.
A．out of order B．out of question C．out of place D．out of practice
