The real trouble（ ）their lack of confidence in their faculty.

It's bad policy for developing countries to sacrifice environmental protection to（ ）economic growth.

The general strike is a means of（ ）the total authority of the government.

He（ ）at the boy into silence.

She was so （ ） in her job that she didn't hear anybody knocking at the door.

The two parties have （ ） an agreement on the date of talk.

Stop making so much noise, for you are（ ）me in my studies.

He is quite thoughtless, for very seldom can he（ ）other people’s troubles.

True happiness does not （ ） the possession of money, but the joy of achievement. 

Children under five are not （ ） to this primary school except those of extraordinary intelligence. 

The aim was not to （ ） valuable time with the boring pictures.

As a mother of three naughty boys, her spare time is fully （ ） with her children. 

I don't know how they manage to （ ） paying such low salaries. 

The ship（ ）from behind the fog.

Her confidence （ ） and soon she was able to go out driving on her own. 

Being a student, you should （ ） your study instead of being addicted to computer games. 

We cannot （ ） the punctual arrival of trains in foggy weather. 

Unluckily, he could not （ ） any strong evidence to prove his honesty. 

My sister （ ） me into buying the blue bag. 

Our class teacher （ ） the importance of developing good learning habits.