. Give the correct form of the word: 
91. This coffee is too................... to drink.                                                                HEAT
92. He drives so................... that he is sure to have an accident.                              CARE
93. His parents were.............................. that he failed the final examinations.         DISAPPOINT
94. Do you know what the............................ of river is?                                           DEEP
95. He is a very............................. carpenter.                                                             SKILL
96. There are many .............................. in our country of a year.                              CELEBRATE
97. We celebrate our .............................. Day on September 2nd.                            DEPEND
98.. ___________, we visit our relatives and friends on New Year's Day.               TRADITION
99. We can save .............................. resources by using solar energy.                      NATURE
100. We can't clean up our ..............................rivers and seas over night.                POLLUTE