You may rely on _______ that she is sure to attend the concert.
| A．her |
| B．herself |
| C．it |
| D．this |
___in a heavy traffic jam in a taxi while you are hurrying to the airport is quite a unpleasant experience．
| A．Having caught | B．Being caught |
| C．Caught | D．Having being caugh |
Since the new director took office, we have worked ___hours, －that is to say, we work more freely.
| A．flexible | B．compulsory | C．strict | D．endless |
___ is well-known to all is that the 2010 Shanghai World Expo has been brought to an end.
| A．As | B．That | C．What | D．It |
Those successful deaf dancers think that dancing is an activity sight matters more than hearing.
| A．when | B．whose | C．which | D．where |
the secret of nature, they young scientist has little time for entertainment.
| A．Devoted to betray | B．Devoting himself to bring to light |
| C．Devoted to unearthing | D．Devoting to exploring |