It is ________ that he has been addicted to the drugs and has difficulty quitting it.
Children need friends ______ their own age to play with.
We do not think the twelfth fiveyear plan for our city is practical ________ recent developments.
The invention of artificial hearts marked a turning point in the battle ________ heart disease.
This urban special school always accepts hearingimpaired students, ________ their educational level and background.
She's got the job because she has the advantage ________ others of knowing many languages.