----- Nội dung dịch tự động từ ảnh ----- Skateboarding 2. Choose the option (A, B, or C) that best completes each numbered blank in the passage. (10 points) (6) back to the 1940s and 1950s in California as a replacement to surfing waves in unfavorable weather conditions. The (7) of the first skateboard was unknown. However, one thing was known for sure. The first skateboard was made from wooden boxes or boards with roller wheels on the bottom. Skateboarding reached its (8) in the early 1960s. Then it lost its attraction towards the end of the decade. Numerous improvements have been made to skateboards (9) safety reasons. Millions of teenagers (10) around the world now. A. dates A. inventor A. width A. by A. have skateboarded B. are skateboarding 6. 7. 8. 9. 10. D 6-11 B. starts B. discoverer B. depth B. for ich C. originates C. customer C. height C. because C. skateboarded