-- How did you manage to get such a nice old painting? 
  ---Quite _______.
| A.by accidents | B.by a chance | C.by accident | D.by incident | 
Do you still remember the key points that _______ in his report? I don’t remember them all.
| A.referred to | B.were referred | C.he was referred to | D.were referred to | 
Most young people don’t want _____ the kind of life that their parents ______.
| A.to lead; used to live | B. living; used to live | 
| C.to live; used to living | D.leading; used to live | 
I always look _____ those who never look _____ others, even though they have achieved great achievements.
| A.down on; up to | B.down upon; up to | 
| C.forward to; down on | D.up to; down on | 
As a laid-off worker, it is hard for her father to ______ the family, let alone send his children to key schools.
| A.bring up | B.raise | C.support | D.supply |