The existence of different kinds of animals and plants which make a balanced environment is called........

My mother takes care ............... sick children.

The damage done to my house by the fire has now _______. 

______ to leave early is rarely granted.

The presently accepted theory of light _______ some of the ideas of both earlier theories.

What's the weather like in the _______?

It's hot.

If we can _____ our present difficulties, then everything should be all right.

I got a diploma in business administration, but still sometimes wish I had been able to go to university and get a _________.

He hoped the appointment would enable him to  gain greater ______ in publishing.

After a lot of difficulty, he _____ to open the door.

When he was a student, his father gave him a monthly ______ towards his expenses.

I ____________ swimming very much.

A strong westerly ______ flattened the standing corn though it brought no rain.

She got ................. as soon as the alarm clock went ....................

His friend never spoke ill ______ him.

 Many of the earliest _____ into the United States established large plantations.

You direct me to the nearest garage? One of my tyres is _____ .

If your bicycle ______ comes off, it is almost impossible te put it back on without getting oil on your hands.

As one of the four ______ of the company, he often had to attend Board meetings.

This National Park....over 200 square kilometres of rainforest.

Some whales migrate into warm waters to bear their.............