We can’t go on with the experiment because the puter .
A. hasn’t been repaired
B. hasn’t repaired
C. is not repaired
D. hadn’t been repaired
网友回答
(答案→)A. hasn’t been repaired
B. hasn’t repaired
C. is not repaired
D. hadn’t been repaired
解析: A项用了现在完成时的被动语态,意思是计算机“还未被修好”。B选项中repair为及物动词,缺宾语,填上后句子不通;C选项为一般现在时的被动语态,它只表示并不是“修过的”;D选项时态不对。