The last half of the nineteenth century_____the steady improvement in the means

游客2023-11-08  20

问题 The last half of the nineteenth century_____the steady improvement in the means of travel.

选项 A、is witnessed
B、was witnessed
C、witnessed
D、has witnessed

答案 C

解析 题中主语“十九世纪下半叶”为过去时间,判断所述为过去发生的事,所以用过去时。
转载请注明原文地址:https://tihaiku.com/zcyy/3169993.html
最新回复(0)