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

admin2016-02-21 34

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

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

答案C

解析根据主语可判断出时间为过去时。

转载请注明原文地址:https://kaotiyun.com/show/lIai777K

GCT工程硕士（英语）

相关试题推荐

随机试题

最新回复(0)