题目内容

All the preparations for the task ___________, and we’re ready to start.
A．completedB．completeC．had been completedD．have been completed
D
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。
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