The new suspension bridge had been designedhad been designed(design) by the end of last month.
【考点】过去完成时.
【答案】had been designed
【解答】
【点评】
声明:本试题解析著作权属菁优网所有,未经书面同意,不得复制发布。
发布:2024/10/19 2:0:2组卷:6引用:3难度:0.6