问题
MrIrving, who ____ in a high school for forty years, is now living in retirement.
A: has taught
B: taught
C: had taught
D: has been teaching
B: taught
C: had taught
D: has been teaching
正确答案是：
同类题型
It’s better to go shopping in the supermarket than ____ home for chat
son, could you help me carry mybag to the third floor It’s too heavy for me— _______________
I drove to Zhuhai for the air show last week.—Is that__________you had a few days off?
To my surprise, I hurried to the lecture hall only ______ that the lecture had been cancelled.