No one knows when such a custom first _____.

You will soon get used to the climate and then the changes in temperature will not _____ you.

Special attention should be _____ to air pollution wherever the factory will be built.

An excellent teacher is believed to be one who devotes (奉献) himself to the children but asks for nothing         .

The little boy has been nice recently and he thinks he         a toy train for Chirstmas.

I don’t like to ask people for help as a rule but I wonder if you could ______ me a favour.

Mark woke up one morning only to find both water and electricity _______ because he had not been able to pay the bills.

The football match will         this Saturday, so the boys who will take part in it should be well prepared.

The UK, ____ Great Britain and Northern Ireland, is a country famous ____ its history.

After recovering from his illness, he was advised to ________ gardening as a hobby.