A government official was murdered in his own house yesterday and the police   are collecting evidence that is ______ to the case.          

People all over the world are all ______ about the relationship between China and Japan.

I think you should be          about giving your address to strangers. It might be dangerous.

John once worked in a remote mountain village school, which is _____ only on foot.

Go out for a walk around our flat after supper, or _________ still in the park.