11.I'd rather you ____ so rudely to her.
A)don't speak
B)won't speak
C)should not speak
D)didn't speak
12.Today many kinds of electrical ____ are available, which has made housework much easier than before.
A)facilities
B)appliances
C)instruments
D)equipment
13.The author is going to ____ his play for television.
A)add
B)adopt
C)adapt D)adjust
14.____ for your help, I'd never have been able to achieve such a success.
A)If I had not been
B)Had it not been
C)If it were not
D)Had it not
15.With all its advantages, the computer is by no means without its ____.
A)boundaries
B)limitations
C)confinements
D)restraints
16.I'm afraid I can't ____ you ____; you'll have to go to a hotel.
A)put ...up
B)pick ...up
C)pull ...up
D)wake ...up
17.The guests said that they wouldn't mind ____.
A)to have a little light music
B)having a little light music
C)have a little light music
D)if they have a little light music
18.Although this area is very poor just now, its ____ wealth is great.
A)previous
B)profound
C)potential
D)primary
19.He ran quickly to the classroom, two books ____ under his arm.
A)to be hold
B)held
C)were held
D)holding
20.We must try our best to lower the cost of our products.Otherwise the high cost will ____ our profit.
A)cut off
B)cut in
C)cut short
D)cut into