问题
选择题
—I________as a cashier for 10 straight years, but I never had a sense of achievement.
—Is that why you set up your own business?
A．worked
B．have been working
C．would work
D．have worked
答案
答案：A
考查时态。根据答语可知，work as a cashier发生在过去，用一般过去时态。注意：不能受思维定势—现在完成时与时间段连用的影响。