---Are you coming to Betty’s wedding?
---I’m not sure. I ______ go to Beijing on business that day.
A. must B would C. should D. might
The result of the football match was 2 to 2，______ the satisfaction of both teams.
| A．with | B．for | C．at | D．to |
The manager urged older staff ____early retirement and new staff _______ more time for work.
| A．take up; to set aside | B．took up; set aside |
| C．would take up; to lay aside | D．must take up; lay aside |
_________ from other continents for millions of years, Australia has many plants and animals not found in any other country in the world.
| A．Being separated | B．Having separated |
| C．Having been separated | D．To be separated |
--What are you going to do this afternoon?
-- I am going to the cinema with some friends. The film _______ quite early, so we __________ to the bookstore after that.
| A．finished; are going | B．finished; go |
| C．finishes; are going | D．finishes; go |
It was a time_______ the killer whales helped the whalers catch the baleen whales.
| A．when | B．that | C．then | D．which |