Instead of calling off the meeting, maybe we can just put it over until next month.

Dinosaurs became extinct millions of years ago because of the earth's climate changed drastically.

Air pollution,

together with littering, are causing many problems in our large, industrial cities today.

Dresses, skirts, shoes and children’s clothing are advertised at great reduced prices this week

He said that he has done his homework since 7 o'clock.

Neither his parents nor his teacher are satisfied with his result when he was at school.

People are not allowed enter the park after midnight because of lack of security.

If I had enough money, I would have travelled around the world.