Respuesta :
Ejercicio:
1. Saw / Was
2. Had
3. Were
4. Taught
5. Thought
6. Sold
7. Went
8. Made
9. Gave
10. Got
11. Became
12 Saw / Was
1) Puzzles with moving parts Were very popular in the 1980’s.
2) They Were simple, elegant, and surprisingly difficult to solve.
3) Each puzzle Had six sides, with each side a different color.
4) Each side consisted of nine squares.
Ernö Rubik Was a professor at the Academy of Applied Arts and Design in Budapest, Hungary.
5) He Taught his students to think in new ways about three-dimensional geometry.
6) He Thought of a group of blocks that could move and twist independently.
7) He made his first block out of wood.
8) He saw that it was not easy to get the colors to match again.
9) He gave cubes to his friends.
10) If went on the market in 1980.
11) The puzzles became an international sensation.
12) By 1982, he had sold more than 100 million puzzles