语法与词汇
5.
The last half of the nineteenth century_____the steady improvement in the means of travel.
A、
is witnessed
B、
was witnessed
C、
witnessed
D、
has witnessed
【正确答案】
C
【答案解析】
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。
提交答案
关闭