______ halfway through the experiment, there was a power failure and the teacher

游客2025-03-17 11

问题 ______ halfway through the experiment, there was a power failure and the teacher told us to stop.

选项 A、When we were only
B、Being only
C、When only
D、Having been

答案 A

解析

转载请注明原文地址:https://tihaiku.com/zcyy/4000995.html

相关试题推荐

随机试题

最新回复(0)

(Lookingthroughthewindow)atallthecarsontheroad,(thetraffic)(wasget