[例贰] Among them, a weak boy with ugly teeth and thick glasses kept shaking. I had seen him around, and I knew he was always laughed at. He seemed __叁柒_unsure_ of himself, and was so pale that it __叁捌__ us to look at him.
叁柒. A. unafraid B. unsure C. proud D. tired
叁捌. A. worried B. surprised C. taught D. hurt
[例壹]On the train, Tom was looking l for his ticket because the conductor was ing __贰 to his ticket.
壹. A. out B. forward C. anywhere D. everywhere
贰.A. down B. up C. in D. on
【解析】第一空格指Tom在火车上到处找车票，因此选D。everywhere为最佳答案，anywhere常用于否定句和疑问句中。第二空格意为列车员上前查票，走到某人面前 e up to sb.为固定词组搭配，因此选B。
[例贰 ] Whenever I’m __ __, I still look back at that yearbook.