_________ 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 |
He felt he wasn’t worth _______ such a great honor.
| A．to be given | B．being given | C．to give | D．giving |
The whole family still live in the house, most of _____ windows face south.
| A．the | B．whose | C．its | D．which |
Henry, take this seat, ________ you’ll have to stand watching the game.
| A．or | B．so | C．and | D．then |
_____ mobile phone is very convenient, school children are not allowed to own one.
| A．If | B．While | C．Because | D．When |
Lucy didn’t do well in this exam, ______ made her mother quite unhappy.
| A．that | B．it | C．which | D．this |