8 Open the brackets using Passive Voice
1.
Text
… typically
… (print)
in
black.
2. The
actions … usually … (perform) through direct manipulation of the
graphical elements. 3. The term GUI … historically … (restrict)
to the scope of two-dimensional display screens with display
resolutions capable of describing generic information. 4. Most modern
general-purpose GUIs … (derive) from this system.
5. Available
commands … (compile) together in menus. 6. When
… the use of text-based hyperlinks … (develop)? 7. A
pointer-based system called Sketchpad … (develop) by Ivan
Sutherland in 1963. 8. A
Compact Disc … (make) from a 1.2 mm thick disc of almost pure
polycarbonate plastic. 9. Before
digital imaging … (develop), the traditional method of doing this
was to photograph the image three times, using a filter for each
colour. 10. The
technology … later … (adapt) and … (expand) to include data
storage CD-ROM, write-once audio and data storage CD-R, rewritable
media CD-RW.
35
