6.are, are

7.are,are

B. 1.is

   2.are

   3. are

   4.is

   5. is

   6. is

   7. is

   8.is

   9. are

   10.are

C. 1. are

   2. is

   3. are

   4. is

   5. are

   1. is

   2. is

   3. are

   4. are

   5. is

   6. is

   7. is

   8. are

   9. are

   10. is

__________

1.The British Isles are not in Africa

2. The Maditerranean is not an ocean

3. The Alps are not in America

4. The Nile is not in Asia

5. Mount Everest is not in Africa