Final answer:
In this question, you need to fill in the blanks with the correct form of the given words. The words are related to beauty, usefulness, length, enjoyment, and happiness.
Step-by-step explanation:
- We saw very beautiful flowers in Peradeniya Botanical Garden.
- The speech given by the police officer was very useful to the students.
- The Mahaweli is the longest river in Sri Lanka.
- Our trip to Kanneliya was full of enjoyment.
- The winner of the marathon talked to the media very happily about his victory.
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