There appeared an _____ look on her face on hearing the _____ story.
The boy_______on the ground_______that he_______the book on the table.
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.