第19题: [单项选择]______ he was aware of the real meaning of life. A. That was from that book B. It was that book which C. It was from that book that D. It was that book that 参考答案:C 答案解析:[解析] 本句为强调句，强调句的常用形式之一为“it +is/was+强调成分+that/who分句”。
第25题: [单项选择]We have been told that under no circumstances we can use the telephone in the office for personal affairs. A. did we use B. may we use C. we may use D. we could use 参考答案:B 答案解析:[解析] 结构应用 考察的是倒装句结构：under no circumstances放在句首，句子要倒装。由此排除选项C和选项D；再根据主句时态(现在完成时)以及题干的内容可知，此题不能
