Mike bought an old car cheaply，cleaned it up and sold it at a ______．
A. benefit B. bargain
C. profit D. prize
One should take ______ of his strengths to make up for his weaknesses.
A. advantage B. benefit
C. profit D. use
The top students ______ at the assembly today were awarded a pen and a notebook each.
A. to praise B. praised
C. being praised D. to be praised
Soon after the war，one family who lived in Pennsylvania ______ me and brought me up.
A. had adopted B. adopted
C. would adopt D. has adopted
In his victory speech，______ before a huge crowd of his supporters，Obama declared that “change has come to America”．
A. having delivered B. to be delivered
C. delivering D. delivered
Despite barriers and hardships，they ______ the research on cloning tissues.
A. come up with B. catch up with
C. push ahead with D. put up with
