分类：教育/科学-学习帮助
问题：大学英语2阶段作业5系列问题20需给出详细解释20．______ 
20．___________ know, er has no intention of buying a new car.A. As long as     B. As so far as      C. So much as     D. So far as
回答：D So/as far as I know,就我所知 as long as只要