1 find and correct the mistake
1. Lewis Waterman was invented the fountain pen in 1884
2. When were the ballpoint pen invented ? In Hungary
3. When did Peter Carl Goldmark invented color television ? In 1950
4. When did reinforced concrete invented ? In 1849
5. She is call Be at home
6. Ba drawed this picture
7. What do you think this button is of ?
8. Paper pulp mixed with water
9. When did the facsimile invented ? In 1843
10. Maize brought into Vietnam by Phung Khac Khoan
1 find and correct the mistake
1. Lewis Waterman was invented => invented the fountain pen in 1884
2. When were=> was the ballpoint pen invented ? In Hungary
3. When did Peter Carl Goldmark invented => invent color television ? In 1950
4. When did reinforced concrete invented=> invent ? In 1849
5. She is call => called Be at home
6. Ba drawed=> drew this picture
7. What do you think this button is of => of this button ?
8. Paper pulp mixed=> is mixed with water
9. When did the facsimile invented=> invent ? In 1843
10. Maize brought=> was brought into Vietnam by Phung Khac Khoan
