I am writing to you ____ regard to your letter of 15 March.

There's no easy solution ____ this problem.

Strong winds had caused serious damage _____ the roof.

There's a growing need _____ cheap housing in the larger cities.

A witness gave a detailed _______ of the man.

She was fired after making threats ____ her co-workers.

The _____ for the disaster was engine failure, not human error.

Last Sunday we went on a picnic by the little _______ on the outskirts of the city

Panda is an endangered _________.

The kids really enjoyed their visit to the wildlife _________.

People _______ the country are out of work.

Australia and New Zealand are _______ British colonies.

With so many areas of woodland being cut down, a lot of wildlife is losing its natural ______.

In societies with strong family _____ (= relationships), people tend to live longer.

Both viruses cause fever and loss of ______.

Animals bred in _____ would probably not survive if they were released into the wild.