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8. It is estimated that the price of a personal computer ______ by an average of 25% a year since 1990.
A. fell
B. had fallen
C. is falling
D. has fallen
9. On a quiet weekend one ______ by the noise of the home interior decoration of one’s neighbours.
A. annoys
B. is annoyed
C. annoyed
D. annoying
10. If you had listened to me, you ______ in such great trouble now.
A. wouldn’t be
B. would not have been
C. won’t be
D. won’t have been
11. Peter planned to convert his house into three flats, ______ two bedrooms, a
living-room, a kitchen and a bathroom.
A. every one consisted of
B. all consisting in
C. each consisting of
D. one consisted in
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