IV. Use the correct form of the word in brackets to fit each gap of the passage.
Medical research has found that happiness has a strong beneficial effect on health. This healing
properties of (1. laugh)……………are such that humours now are being used alongside more (2.
tradition) ……..…..courses of (3. treat) …………..in some hospitals. In a London’s children’s
hospital, for example, two clowns are provided for the (4. entertain) ……………..of patients.
Doctors say that these clowns are (5. success) ……………..in making the children feel better.
It seems that when we laugh, there can be a (6. reduce) ……………..in both blood pressure and
the amount of (7. tense) ……………..in our muscles. Although it is (8. possible) ……………..to prove
it at the moment, this may also mean that people who feel unhappy and who are, therefore,
(9. likely) ……………..to laugh so much, suffer more often from physical (10. ill) ……………..