_______ 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 |
To her surprise, the manager ______ 30 dollars from her salary without any good reason.
| A．cut off | B．held up | C．brought down | D．kept back |
—Shall we stop for lunch _____ shall we drive on?
—Let’s stop for lunch, but the driver can’t drink _____ drive.
| A．or, and | B．or, or | C．and, or | D．and, and |
In his apartment there are two rooms, _____ is used as a living room.
| A．larger one | B．the larger of which |
| C．the largest one | D．the largest of which |
_______ with any common sense can tell the difference between the two.
| A．Who | B．Whoever | C．Anyone | D．Whomever |
It is really _______ useful dictionary and _______ dictionary every one of us needs.
| A．an, a | B．a, the | C．the, a | D．a, a |