Little _______ that the region was rich in natural resources about four decades ago.
| A．we did know | B．knew we |
| C．did we know | D．we knew |
Most people didn’t accept the theory when it was first ________.
A. set about
B. set off
C. put forward
Gun control is a subject ________ Americans have argued for a long time. (2009 .陕西)
| A．of which |
| B．with which |
| C．about which |
| D．into which |
More and more rich people have promised to ________their wealth after death to help the poor and the disabled.（2013．河北衡水中学）
| A．give away |
| B．give up |
| C．give out |
| D．give in |
---Look! He’s running so fast!
---Hard to ________ his legs were once broken.
| A．know |
| B．imagine |
| C．realize |
| D．find |
Please ________the numbers and I’m sure they will more than 1 000.
| A．add; add up |
| B．add up; add up |
| C．add up; add up to |
| D．add; add up |