第14题: [单项选择]Tom could hardly ______ his excitement as he knew that he had made a real discovery. A. conceal B. reveal C. show D. discover 参考答案:A 答案解析:[解析] 本题空格处是说无法隐藏他的兴奋之情。A项.“conceal隐藏”符合题意。如:He concealed the sweets in his pocket.(他把糖果藏在口袋里。)其他三项“r