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Word formation: vocabulary builder

In this exercise, you must change the words given into new adjectives, adverbs, or verbs by adding the prefix or suffix that best suits the context. I hope this will help you to understand the meaning and function of various pieces of words. (I have tried to avoid prefixes and suffixes that are similar or identical to their French counterparts.)

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1. It's totally (understand) that you stayed home when you were sick.

2. Don't laugh at his stupid jokes! You'll only (courage) him to say them again.

3. That sidewalk is (slip), I almost fell!

4. After Monday, I will no longer be a foreigner--I am receiving my (citizen)!

5. Arthur will be very lonely unless you (friend) him.

6. Every afternoon, the cooks (sharp) their knives in preparation for dinner.

7. I hate being around Mary Lou, she is so so (friendly).

8. The stock market crash of 1929 left my great-grandfather (penny).

9. I have a class at 8:00 a.m. but I always (sleep).

10. The groom may (veil) the bride only when their vows have been exchanged.

11. I think we should try something else. That strategy seems way too (risk).

12. My father's death left me with a great (empty) in my heart.

13. George W. Bush is pretending that he attacked Iraq to (liberty) the Iraqis.

14. Americans fought hard to earn their (free) from Britain.

15. When you work at a nuclear power plant, you have to be extremely (care).

16. Every time I think I've beaten you, you (do) me!

17. I had to take three months off when I was pregnant, but my boss has been very (understand).

18. He will (cork) the wine as soon as we are ready for dinner.

19. You need to work on your orthography so you don't (spell) these words.

20. The weather (cast) looks bad for a picnic--rainy and windy!

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