The millionaire _______ buy Picasso’s pictures among others’ because he has a (n) _______ for abstract style.
54. The football fans cheered their team _____ the entrance _____ the field.
53. Our music teacher often enjoyed _____ playing the violin in his spare time.
52. The struggle against sand storm will not end _____ victory unless we pay much attention to the balance of nature.
51. Don’t put your cell (手机) _____ the edge of the table, or it will fall off
50. The Englishman has a very good ear _____ music. You can ask him for some advice.