第19题: [单项选择]______ he tried to pass. the driving test, he still failed the second time. A. As hard B. Hard as C. Though hard D. No matter hard 参考答案:B 答案解析:[题解] 这里是让步状语从句。只是连接词是as,而且一般是放在从句的第二个单词位子上,相当于 Though he tried hard;Hard though he tried,No matter h