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
2 when -> where
3 did -> was
5call calling
6 drawed - drew