His mother had thought it would be good for his character to from home and earn some money on his own．
| A．run away | B．take away | C．keep away | D．get away |
I don’t think David could have done such a stupid thing last night, ____?
| A．did he | B．didn’t he |
| C．do I | D．don’t I |
Measures must be taken to prevent pollution ____ happily.
| A．from we live | B．for us to live |
| C．us living | D．from our living |
. Lucy found one of her friends had been ____ after she finished the invitations to her wedding party.
| A．taken out | B．put out |
| C．picked out | D．left out |
As a famous public figure, you have a duty to ____ yourself responsibly, especially in public places.
| A．carry | B．conduct |
| C．guide | D．operate |
All the photographs in this book, ____ stated otherwise, date from the 1950s.
| A．once | B．until |
| C．unless | D．if |