(-\(\dfrac{5}{9}\) x \(\dfrac{-5}{13}\))+( - \(\dfrac{5}{9}\) x \(\dfrac{6}{13}\))

\(\dfrac{5}{2}\) x \(\sqrt{0.25}\) + |\(\dfrac{-9}{4}\)| 

\(\dfrac{2}{5}\)-(\(\dfrac{7}{10}\)- \(\dfrac{3}{5}\))

:))) 

1. Nam plays the guitar very ……….                                                               ( GOOD)                                                                                                         2. Our group is carrying out a campaign to raise money for an ……………..(ORPHAN)                                                                                                                                                                                                                                                                                                                                                                                          3. ……………… children need help from community.                                 (HANDICAP)  

4. ……………… spend time reading books to the aged in nursing houses.  VOLUNTEER)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      5. She never eats ………… food.                                                                         (FAT)

6. Old people enjoy traditional, classical or country ……….                        (MUSICAL)                                                                                                                                                         7. Drinking milk is good for children’s …………...                                       (HEALTHY)

8. Nam thinks the food in this restaurant is ………..                                        (TASTE)                                                                                                                                                                                                                                                                                                                                                       9.  Ask your doctor for tips or …………….. to help you stop smoking.          (TREAT)

10. I volunteer because it makes a …………. in our community.                (DIFFER)  

11. We are very ………….. about the upcoming trip on Sunday.                         (EXCITE)

12. How  …………….. this book is !                                                                     (INTEREST)                

1. Mr. Hai usually has stomach problems. He eats dinner very close to the bedtime. (so)

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2. My dad has a lot of carved eggs. He has never sold any of them. (but)

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3. You will get a breathing problem. Clean your bed room more regularly. (or)

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