By the end of last month, our factory (produce)______3 000 motors.had produced由句

游客2023-09-21 25

问题 By the end of last month, our factory (produce)______3 000 motors.

选项

答案 had produced

解析由句首的时间状语可知，句子应用过去完成时，表示到过去某个时间为止已经发生或完成的动作，故空格处应填had produced。

转载请注明原文地址:https://tihaiku.com/zcyy/3033850.html

相关试题推荐

随机试题

最新回复(0)

Bytheendofthismonth,wesurely______asatisfactorysolutiontotheproble