Love is_____ makes you smile when you are tired.
| A．that | B．what |
| C．it | D．which |
Nothing could be done at the meeting, the chairman_____ absent.
| A．being | B．was |
| C．to be | D．be |
Bats are surprisingly long-lived creatures, some ____________ a life span of around 20 years.
| A．having | B．had |
| C．have | D．to have |
UN Secretary-General Ban Ki-moon left for Pakistan this morning， his assistant _________ him there this Friday.
| A．joins | B．joined |
| C．joining | D．to join |
______, 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 |
Zhang Ziyi and Wang Feng, both of them ______ in the media spotlight, get romantically involved.
| A．pay attention |
| B．paid attention to |
| C．paying attention |
| D．are paid attention to |