Put in the correct preposition.

I couldn't find the street I was looking for, so I stopped someone to ask

directions.

We benefit greatly ____________the medicines and other products that biodiversity provides.

You should concentrate _________what the interviewer is saying and make a real effort to answer all the questions the interviewer asks.

They prevented me______ entering the house.

We are here to provide you_____ the best service possible.

He succeeded________ getting a scholarship.

Water consists_____ oxygen and hydrogen.

Ed depends________ his family for financial support.