the number of rare animals is decreasing rapidly

If people’s interference with the environment decreases, more species will survive.

The festival was over yesterday and everyone is now taking down the balloon.

Solar energy is not only plentiful and infinite but also clean and safe.

All fossil fuels are non- renewable resources that cannot be replaced after use.

Don't tell Jane anything about the surprise tiệc nhỏ for Jack. She has got a big mouth.

If you are at a loose end tomorrow, why don't we spend the day sunbathing and relaxing on the beach?

Don’t pay any attention to Nina- she doesn’t know what she’s talking about.

My uncle, who is an accomplished guitarist, taught má how to lớn play.

The most important thing is to lớn keep yourself occupied.

We meet regularly to lớn discuss the progress of the project.

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He’s a keen sportsman and enjoys football, fishing and rugby.

No one knew precisely what would happen to lớn a human being in space.

An enormous number of people were killed that night.

I blame the failure of our relationship on my husband.

The child said that she didn't break the window deliberately.

The dark clouds rolled in quickly and it began to lớn rain without warning.

There was no mention of the incident in the national press.

Thousands of national parks have been established to lớn protect endangered animals.

My father still hasn't really recovered from the death of my mother.

How long will it be before the world’s fuel supplies are exhausted?