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