_______from other continents for millions of years, so there are many plants and animals in Australia that cannot be found anywhere else in the world.
| A．Being separated |
| B．Separated |
| C．It has been separated |
| D．Having separated |
Mr Smith, of the speech, started to read a novel.
| A．tired; boring | B．tiring; bored |
| C．tired; bored | D．tiring; boring |
All of us still remember the terrible earthquake that Tangshan twenty years ago.
| A．attacked | B．struck |
| C．knocked | D．exploded |
The College Entrance Examination near, so you should be prepared for it.
| A．is drawing | B．draws |
| C．drew | D．has drawn |
_____ China’s reform and opening up in late 1978, its quick development has aroused worldwide attention, which has made America anxious about it.
| A．When | B．As | C．While | D．Since |
Whenever I met him, _____ was fairly often, I like his sweet and hopeful smile.
| A．what | B．that | C．which | D．when |