第3题: [单项选择]What’s wrong with the man A. He didn’t make full preparations. B. He copied Smith’s paper. C. Nobody helped him. 参考答案:B
第4题: [单项选择]The traditional paintings are {{U}}exhibited{{/U}} on the second floor. A. laid B. displayed C. kept D. stored 参考答案:B 答案解析:[解析] 此句为被动语态,划线词为动词的过去分词,意为“展览,陈列”,与B项意思相同,又如:The young woman proudly {{U}}displayed{{/U}} her furs.