TOEIC之商用词汇充电篇-15

Section1上期复习 Just as they had been for years, the customary steps were followed—that is, the usual procedures were carried out. 惯例的  Section2 The animals looked healthy. They exhibited, or ________________, no symptoms of disease. 填空:(a) exchanged(b) hid(c) earned(d) showed  answer key: d