V. Insert the correct form of the words in brackets:
41. He is sure to have an accident because he drives very ……. (care)
42. When Mrs Lien was young, she wanted to be an activities (act)
43. Ask a ......... to type your application form for you (type)
44. Do you like ... music? (tradition)
45. Videos are also very useful in…………………. (educate)
46. Mr. Bean has a very ………………………………… tooth. (pain)
47. It is very…….. to drive a car fast in a busy street. (danger)
48. Mary looked ………….because her mother died. (happy)
49. When I go to the library, I sit and reach about ………….. things. (wonder)
50. Edison ………………..the electric bulb. (invention)