Did you get any ...... effects when you were taking those tablets?

What you need is a good rest so I think a holiday would be more ....... than giving you more drugs.

A continued rise of global atmospheric temperatures, ....... to accelerated melting of the polar ice caps, which in turn will cause average global sea levels to rise, flooding coastal areas and devastating island and coastal nations.

Alcoholic drinks have a ..... effect on many people.

Morphine is sometimes used to ....... severe pain.

After considerable study, scientists have realised that our Earth is a closed and very ecologically ...... system, which relies on everything working in concert.

If father …… yesterday

he …… much better today.

I hope this headache ...... soon.

If I had known you were

in hospital I …… you.