Nouns + prepositions

I'm concerned ______ my health.

• with

• about

• of

His main reason _____ quitting his job was personal.

• about

• of

• for

Nowadays there are so many ads ____ fast food.

• for

• of

• on

The cause _____ the accident is not clear.

• on

• for

• of

She took a tough attitude _____ other people's opinions.

• toward

• about

• on

There is a need _____ a better understanding _____ the police and the community.

• for - of

• of - about

• for - between

There has been a lot of research _____ child behaviour, which is interesting.

• of

• about

• on

local people are worried by the rise _____ crime

• on

• in

• of

There has been some increase ____ inflation recently.

• on

• of

• in

His friends are having a bad influence ____ him.

• in

• on

• of