--- Do you think he will do me a favor?--- As far as I know, he is the last one to help others. He _______ be prepared to give you a hand, though.
You must apologize_______your mother_______your rudeness.
—Is John coming by train? —He should, but he_______not. He likes driving his car.
Nobody recognized her at the ball because she________________as a maid..
She spent all her spare time learning the courses, or she________ the first place in her school in the 2010 College Entrance Examination.
—— Were all the passengers in the bus injured in the traffic accident? —— No,____ only three of them who got hurt.