___ 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 |
While intelligent people can often _____ the complex, a fool is more likely to complicate the simple.
| A．sacrifice | B．simplify | C．substitute | D．survive |
The managers of the two companies are holding talks in a light and lively______
| A．atmosphere | B．state | C．phenomenon | D．accommodation |
Jingdezhen is _____most beautiful city with _____long history of porcelain-making in the world..
| A．the, the | B．a, a | C．a, the | D．the, most |
Don’t be ______ by products promising to make you lose weight quickly.
| A．taken off | B．taken out | C．taken away | D．taken in |
--- Take a cigarette, please.
--- No, thanks. It’s three yearsI smoked.
| A．before | B．since | C．after | D．when |