_______ 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 |
John fell asleep ______ he was listening to the music.
A．afterB．before C．while
Each of us has to write a _____ report every two weeks.
A．two-hundred-word
B．two-hundreds-word
C．two-hundreds-words
boy with glasses has bad cold today.
A．The; /B．The; aC．A; the
The historical play put on by my classmates left a deep impression on us．Every one of us thought their show was _________ a failure but a great success.
| A．next to | B．except for | C．far from | D．apart from |
The virus came without people’s being aware of it and it was _________ assumed to be a common one．But with more cases reported, it proved wrong.
| A．precisely | B．relatively | C．initially | D．purely |