________ many times, but he still could not understand it.
| A．Having been told | B．Tough he had been told |
| C．He was told | D．Having told |
The computer software is old, ，very out of date．
| A．or rather | B．rather than |
| C．other than | D．more than |
The purpose of the campaign is to raise the public’s _______ of the danger of passive smoking.
| A．awareness | B．connection |
| C．existence | D．consciousness |
You are so dependent that I’m afraid you can’t adjust yourself to _______ alone for a time.
A. leave B leavingC. be leftD. being left
____ of danger on the road at night, the girl had to go home with a friend____ her.
| A．Being warned; accompanied |
| B．Having warned; accompanying |
| C．Warning; accompanying |
| D．Having been warned; accompanying |
My laptop computer, ____ I can’t go on with my work, broke down the other day.
| A．which | B．that |
| C．without which | D．for which |