Test your memory. Mark the sentences true (1) or false (F). Correct the false sentences.
1 Yonaguni is very close to Japan.
2 An old man is telling stories to some children.
3 Some people are dancing.
4 Kihachiro is with some friends on the boat.
5 He swims down the 'streets' of the
underwater city
6 There are lots of fish swimming around the
ancient stones​

1. If there are a few firms in an industry, the change in the behaviour of one firm can influence other firms. 2. Can developing countries enter the European Union? -No, they can't. 3. The firm may increase its profits by means of new materials or technologies.
4. Any crisis in the economy of the USA can seriously influence the economies of other nations. 5. Any country must follow some rules in international trade. 6. Can Russia supply its population with necessary amounts of gas and petrol?- Yes, it can. 7.British farmers could not ensure the required quality of meat when there was an infection among animals a few years ago. 8.You must have a special licence to import or export exotic animals.

1. Marmalade is made of oranges. 
Marmalade isn`t made of oranges. 
Is marmalade made of oranges?
2. This town was built a century ago.
This town was not built a century ago.
Was this town not build a century ago?
3. They were invited to a birthday party. 
They weren`t invited to a birthday party. 
Were they not invited to a birthday party?
4. The fax has just been sent. 
The fax has not just been sent. 
Has just the fax not been sent?
5. America was discovered long ago. 
America wasn`t discovered long ago. 
Was America discovered long ago?
6. The book is still being published. 
The book isn`t` still being published. 
Is the book still being published?
7. My neighbor’s car was stolen last night. 
My neighbor’s car was not stolen last night. 
Was my neighbor’s car stolen last night?
8. His winter boots were made in Germany. 
His winter boots were not made in Germany. 
Were his winter boots made in Germany?
9. The building was ruined by the earthquake. 
The building was not ruined by the earthquake. 
Was he building ruined by the earthquake?
10. Italian is spoken in Italy and on Malta.
Italian is not spoken in Italy and on Malta.
Is Italian spoken in Italy and on Malta?