Ex1: They have _________ the recycling system in the factory. A. modernized B. modernize C. modern D. modernity Ex2: They formed their ______ when they were at school. A. friend B. friendliness C. friendly D. friendship Exercise3: Use the correct form of the words in parentheses: 1. Where is the __________________ to this shopping center? (enter) 2. He has a fine stamp __________________. (collect) 3. Japan is a ________________ country. (mountain) 4. Children seem to have lost their ________________ in reading. (enjoy) 5. The green color has a __________ effect. (rest) 6. Most students go __________ when they have one Saturday off. (picnic) 7. We spent an ______________ afternoon boating in the river. (enjoy) 8. The French team was _______________ to win the match. (luck) 9. She speaks English so well that her friends are filled with __________. (admire) 10. Everyone needs time for rest and ________. (relax)

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