Christmas is ________ becoming a traditional British holiday rather than a Christian one．

As the idea of low­carbon life is now ________ accepted, more and more people   travel by public transport.

— Look! Black clouds are gathering.— Yes. A heavy rain is ______  to come.

Stress can be extremely damaging to your health. Exercise, __________, can reduce its effects.

It’s widely known that first aid is      important and you can save lives if the right action is taken.