3. A .......... cooks food very fast.
A.printer
B. player
C. microwave
4. We need a new ....... for our computer.
A. screen.
B. stereo
C. Speakers
5.Don't swim here! The water is ................ .
A clean
B polluted
C powerful
6. This CD player was ............. . It was a real bargain!
A important
B. expensive
C. cheap