I sat until after eleven，______in a book.
| A．absorbing |
| B．having absorbed |
| C．absorbed |
| D．having been absorbing |
________the young man is in great need of a computer in his work is known to his boss.
| A．What |
| B．That |
| C．How |
| D．When |
The average Facebook user in the United States has 245 friends，according to a study ______in February.
| A．publishing |
| B．published |
| C．publish |
| D．to publish |
_______ on the top of the mountain is an ancient tower ______ back to two hundred years ago.
| A．Standing；dating |
| B．To stand；to date |
| C．Having stood；dating |
| D．Stand；dated |
______in a new country，I was scared and feeling pretty anxious.
| A．For the first time |
| B．I was the first time |
| C．Being the first time |
| D．This being my first time |
If I were any younger，I would do ________I am interested in.
| A．no matter what |
| B．whatever |
| C．no matter which |
| D．whichever |