We heard of the experiment ... last week.

They finish ... the apparatus only on Sunday. 

... to high temperatures the substance considerably expanded. 

He improved his report by ... the end.

After ... from the University he worked in the Far East. 

... foreign languages is important for every educated man. 

I remember his ... in languages in his childhood.

I believe I will still have an opportunity of ... you to my school buddies.

Students like ... to the music. 

She likes ... by Tom.