第26题: [单项选择]Under what circumstances would Bob replace him A. If he fell at that time. B. If he failed the exam. C. If he didn’t come in time. D. If he asked in time. 参考答案:C 答案解析:固定搭配。根据原文“If he should fail to come in time,ask Bob to work in his place.”,此句是虚拟条件句,译文为:如果他不能按时到的话,让