87. be busy with sth 忙于某事; be busy doing sth. 忙于做某事 88. last but one 倒数第二 89. but for (=without) 要不是;表示假设 90. buy sth. for…money 用多少钱买…… 91. be capable of 能够,有能力 be capable of being +过去分词 是能够被……的 92. in a...