__________ 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 |
相关试题
We didn’t know you were in trouble at that time, _______ we would have given you a hand.
| A．while | B．when | C．therefore | D．otherwise |
She remained ______ for a while after the movie ended, which made others ______.
| A．sitting; puzzling | B．sat; puzzled |
| C．seated; puzzled | D．seated; puzzling |
Is there anyone in your class ______family is in the country?
| A．whose | B．whom | C．of whom | D．who |
No one can prevent the plan __________.
| A．from carrying out | B．to be carried out |
| C．being carried out | D．to carry out |
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