英语题帮忙答一下
来源:百度知道 编辑:UC知道 时间:2024/06/09 01:38:14
____different kinds of pianos, the workers father improved their quality.
A.To produce B.Being produced C. Produced D.Having produced
答案及原因
A.To produce B.Being produced C. Produced D.Having produced
答案及原因
D
已经生产了各种钢琴,工人们逐渐提高了质量
A ,前置吧,the workers father improved their quality to produce kinds of pianos
D
因为是已经生产了钢琴之后他才提高了质量的。