1. I can type 50 words a minute. [How many?]
2. At this plant, all the workers must wear protective clothing. [Where?]
3. The early computers could perform only one task at a time. [How many]
4. Computer screens should be at eye level. [Where?]
5. A fax system can now send text or graphic information to several places at the same time in less than a minute. [How fast?]
6. All students without exception must take the exam in English. [What exam?]
7. The new software might be very useful for Internet users. [Whom?]
8. You should update your anti-virus program regularly. [What program?]
9. He couldn't finish repairing the printer because he didn't have the right tools. [Why?]
10. To connect to the Internet, you must have a modem. [What?]