Put the verbs in the brakets in the correct form .

1 , The doctor suggested that his patient ( stop ) ... smoking .

2 , How about ( dine ) ... out tonight ?

3 , I suggest that you should ( take ) ... a vacation .

Complete the sentences with the one word below : for , up , after , on , off, away , in .

1 , Who is going to look ... the children while you are away .

2 , She's looked ... her keys everywhere .

3 , If we go ... littering , the environment will become seriously polluted .

Choose the correct word to complete each sentence : and , but , or , so , because , however , therefore .

1 , He has a large house and an expensive car ......... , he has his own company .

2 , I was sich ......... I got wet in the rain

3 , He failed the exam ......... he didn't study hard .

Choose the correct word to complete each sentence : and , but , or , so , because , however , therefore .

1 , You can take it ... leave it .

2 , She closed the door ... left for the city .

3 , She's beautiful , ... I don't like her .

Everyday on radio , on TV , and in the newspaper , we hear , see of read about many problems in the world , for example , pollution problems . Air pollution in the first kind . It mostly comes from fumes released from motorbikes , cars , airplanes , trains and poisonous gases emitted from factories . Also , waste in dumped any where , even in the city where many people are living . The second pollution problem is sea pollution . Many people earn their living room fishing in the sea , and the fish they catch feed many people . But the sea has become so polluted from oil spills and factory wastes that the fish are dying . This pollution is not only killing the fish , but is also affecting those people who eat fish . Seldom do you find a place nowadays that is not polluted . This problem is growing more difficult everyday . We must find a good solution that makes the world a better palce to live .

1 . we hear , see and read about problems in the world ….. .

A . once a week B . every day C . every week D . every year

2 . what causes the air pollution ?

A . fumes from vehicles B . poisonous gases emitted from factories C . waste from everywwhere D . all are corect

3 . The sea has become polluted because of ….. .

A . oil spills B . factories wastes C . smoke from factories D . a and b are corect

4 . In order to make the world a better place to live , we ….. .

A . shouldn’t prevent pollution B . should find a good solution C . should kill the fish D . none is corect .

Working , doing , sound , scientific , adults , writers , universities , angry , computers , have .

Today , computer companies sell many different programs for computers . First , there are programs for ..... math problems . Second , there are programs for ..... studies . Third , some programs are like fancy typewriters . They are often used by ...... and business people . Other programs are made for courses in school and ..... . And finally , there are programs for fun . They include word games and puzzles for children and ..... . There are many wonderful new computer programs , but there are other reasons to like ..... . Some people like the way computers hum and sing when thay are ..... . It is a happy sound , like the sound of toys and chilhood . Computers also ..... lights and pretty pictures . And computers even seem to have personalities . That may ..... strange , but computers seem to have feelings . Sometimes they seem happy , sometimes they seem ..... . It is easy to think they are like people .