— What do you think made him put into prison?
—_______ stealing the valuables.
| A．Because he was accused of | B．accused of |
| C．Being accused of | D．Because of being accused of |
Was it through Mary, ______ was working at a high school, ______ you got to know Tom?
| A．who; who | B．that; which |
| C．who; that | D．who; which |
The father, ready to retire at an early age, hoped that his eldest son would ______ the family business.
| A．take over | B．look into |
| C．take up | D．look through |
My sister-in-law is the ______ of the information, so it cant be false.
| A．resource | B．source |
| C．birthplace | D．data |
--I believe that more effective measures have to be taken before we can breathe cleaner air.
--______. Air pollution has become too serious a problem.
| A．I don’t like it |
| B．I am with you on that |
| C．I dont care about it |
| D．I cant agree with you |
Only when our project has been approved of by the committee ______ to carry it out.
| A．did we start | B．we started |
| C．can we start | D．we start |