问题
选择题
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
答案:D
现在完成时表示过去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续,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。