.I ___ the book at all.
50. The Englishman has a very good ear _____ music. You can ask him for some advice.
49. He goes _____ at 8 a.m. and comes _____ at 5 p.m. Today he is _____.
48. Some new changes happened _____ the school _____ my absence.
47. She was disappointed _____ hearing the news that Chinese football team lost the first match in “World Cup”.
46. _____ his disadvantage, it began to rain heavily suddenly.