Marconi was the ……………………………………………………..of the radio. (invent) 22. The ……………………………………………………….of the radio was made by Marconi. (invent) 23. Mr. Phong ……………………………………………………………a meeting with his friends in a coffee bar. (arrangement) 24. The play was a …………………………………………………………….success. (commerce) 25. Alexandra G. Bell ……………………………………………………demonstrated his invention. (success) 26. Thomas Watson was Bell’s ……………………………………………………………….(assist) 27. G. Bell experimented with the ways of transmitting ………………………………………….over long distance. (speak) 28. There was still no ………………………………………………..on what to do next. (agree) 29. Most teenagers like taking part in ……………………………………………………………service. (communal) 30. The ……………………………………………..of atom bomb (bom nguyeân töû) is very terrible. (destroy) 31. You can see a lot of famous paintings in this …………………………………………………………… (exhibit) 32. Your order is ready for ………………………………………………….(deliver) 33. This old man is ……………………………………………………..in one ear. (deafen) 34. You should listen ……………………………………………………….to your teacher in class. (care) 35. They are very rich, but they live ……………………………………………………….(happy) 36. Water has no color. It is a ……………………………………………………….liquid (chaát loûng) (color) 37. He drives very …………………………………………………………because he has many accidents. (care) 38. He was ……………………………………………………….in demonstrating his invention. (success) 39. You must cover ……………………………………………………..sockets. (electricity) 40. Lan’s mother is at her local …………………………………………………………center. (communal) 41. You must put all chemicals and drugs in ……………………………………………..cupboard. (lock : khoùa) 42. You have to keep all …………………………………………………objects out of children’s reach. (danger) 43. Each year, fire ……………………………………………..homes and injures children. (destruction) 44. Bell experimented with ways of …………………………………………………….speech over a long distance. (transmit) 45. Hard work always brings ……………………………………………………………………….(successful)