Give the correct form of the words in the bracket

IV) Give the correct form of the words in the bracket.

1.      It is ............even to think of the horrors of nuclear war.                                           (fright)

2.      She doesn’t want to get fat, so she goes to the ...........center every evening.        (fit)

3.      Environment protection has been a problem of .........concern.                               (Globe)

4.      Bees .............the flowers by bringing pollen.                                                             (fertile)

5.      Novelists are among the most ............people in the world.                                      (imagine)