Over time the memory of the computer ________so much that it never forgets anything it has been told .
| A．develops | B．is developing | C．developed | D．has developed |
The WTO cannot live up to its name________it does not include a country that is home to one fifth of mankind.
| A．as long as |
| B．while |
| C．if |
| D．even though |
I was advised to arrange for insurance________I needed medical treatment.
| A．so that |
| B．in case |
| C．although |
| D．however |
You will be late________you leave immediately.
| A．unless |
| B．until |
| C．if |
| D．or |
—What time do you start work?
—It________.
| A．decides |
| B．varies |
| C．turns |
| D．becomes |
Honesty is a kind of quality and that's what it takes to________with others successfully.
| A．say |
| B．report |
| C．communicate |
| D．tell |