21．—Your sister nearly ________ all her spare time to her study during the three years.
—That's right, or she ________ the first place in her school in the College Entrance Examination.
A．devoted; wouldn't have taken
B．spent; wouldn't have taken
C．hadn't devoted; hadn't taken
D．hadn't spent; couldn't take
22．I've heard ________ said that Elizabeth is a tough business woman.
A．it B．her
C．what D．that
