______ is certain is that Bill will recover from his injury in time for the football match.
| A．As | B．It | C．That | D．What |
Mary gave Jack so much help that he gave her some roses ______ for her kindness
| A．in turn | B．by turns | C．in answer | D．in return |
She’s having a lot of trouble with the new computer, but she doesn’t know whom to ________.
| A．look for | B．deal with | C．talk about | D．turn to |
Barack Obama was very happy when many supporters voted ________ him.
| A．on | B．for | C．against | D．at |
The number of smokers in China ________increased in recent years, and a number of them _________ the youth.
| A．has; are | B．have; are | C．is; is | D．are; are |
It is generally accepted that __________ boy must learn to stand up and fight like _______ man.
| A．a; a | B．a; the | C．the; the | D．the; a |