______, the conference began.
| A．The candidates having taken their seats |
| B．The candidates had taken their seats |
| C．Taken their seats |
| D．Taking their seats |
（2014） ourselves from the physical and mental tensions，we each need deep thought and inner quietness.
| A．Having freed | B．Freed |
| C．To free | D．Freeing |
______ in a well-known university is what everybody wishes for.
| A．Educated | B．Being educated |
| C．To educate | D．Educating |
_______every member has arrived, let’s set about _____ the plan for the next five years.
| A．Since; to work out | B．Because; work out |
| C．Now that; working out | D．For; work out |
It is surprising that such a young boy can swim ______ the river ______ 100 meters wide.
| A．over; measured | B．across; measuring |
| C．across; measures | D．through; measuring |
_____ in a heavy snow, he didn’t get there in time.
| A．Catching | B．Catch |
| C．Caught | D．To catch |