Cho dạng đúng của các từ trong ngoặc: 1. It's totally ____ that you stayed home when you were sick. (understand) 2. Don't laugh at his stupid joke! You'll only _____ him to say them again. (courage) 3. That sidewalk is _____, I almost fell! (slip) 4. After Monday, I will no longer be a Foreigner I am receiving my _____ ! (citizen) 5.Arthur will be very lonely unless you ______ him. (friend) 6. Every afternoon, the cooks _____ their knives in preparation for dinner.(sharp) 7. I hate being around Mary Lou, she is ______ . (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 _______ the bride only when their vows have been exchanged. (veil) 11. I think we should try something else. That strategy seems way too ______. (risk) 12. My father's death left me with a great _______ in my heart. (empty) 13. George W. Brush is pretending that he attacked Iraq to _______ the Iraqis. (liberty) 14. American fought hard to earn their ______ from Britian. (free) 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 _______ me! ( do) 17. I had to take three months off when I was pregnant, but my boss has been very _____. (understand) 18. He will _______ the wine as soon as we are ready for dinner. (cork) 19. You need to work on your orthography so you don't ______ these words. (spell) 20. The weather ______ looks bad forr a picnic, rainy and windy! (cast) Help!!