—Mary looks down today.What is up?—Well,________happened between Mary and me is none of your business.
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.