问题补充:
All the preparations for the task , and we’re ready to start.
A. completed
B. complete
C. had been completed
D. have been completed
答案:
A. completed
B. complete
C. had been completed
(答案→)D. have been completed
解析:现在完成时表示过去年做的事对现在的影响。从and we’re ready to start句意可知,一切准备工作已经就绪,可以开始工作了。complete是及物动词,与句子的主语是被动关系,所以需要用被动语态表达。注意①分清complete与主语之间的关系;②结合语境选择正确时态。