Question

[hello hello]

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

Answer 1

[Lê Đình Bảo]

2 when -> where

3 did -> was

5call calling

6 drawed - drew