The company is trying every means to（ ）the wholesale price of its products.

Tom arrived at the office and discovered that he had（ ）his door key.

The pianist didn't （ ） until the last minute before the concert.

John complained to the bookseller that there were several pages（ ）in the dictionary.

He had been（ ）to give up much of his time to housework.

I like that new watch very much, but I can’t （ ）it.

​He got well-prepared for the job interview, for he couldn't risk（ ）the good opportunity.

He（ ）a sum of money every month for his old age.

The girl（ ）no interest in learning how to play the piano despite her mother's insistence.

Automation has made it possible to（ ）great changes in industry.

The new administration considers it necessary to （） its position and policy on the diplomatic disputes.

The room was so quiet that she could hear the（ ）of her heart.

I don't know you want to keep the letter. I've（ ）it up.

All cars made nowadays are（ ）with safety belts and other gadgets to deal with every possible incident.

We can't （ ） buying a new printer for our company. The one we have doesn't work. 

He has a bad habit of（ ）others when they are speaking.

It took him a long time to（ ）the skills he needed to become a good dancer.

They all（ ）mentioning that girl.

It（ ）me of the country which we visited last summer.

When they had finished playing, the children were made to （ ） all the toys they had taken out.