高等继续教育 / 统考英语B
正确率:统考%
题型描述: 单选题
A. had produced
B. had been produced
C. would have produced
D. have been produced
Between 1897 and 1919, at least 29 motion pictures _____ .
A. had produced
B. had been produced
C. would have produced
D. have been produced
参考答案: