29. LászlóBíró was born ?
A. In 1944 B. in 1899 C. in 1975 D. in 1930
30. Who invented a new type of pen with a small ball at the end?
A.Gyorgy B LászlóBíró C. LászlóBíró and Gyorgy D.ErnoRubik
31. The word It refers to
. A. a new type of pen B."Magic Cube" C. Rubik's Cube" D.puzzles.
32. Where did Rubik’s invention become popular?
A.In Hungary B.The rest of Europe C. In the USA D All are correct
XIN CTLHN NHA