The last half of the nineteenth century(

考试题库2022-08-02  33

问题 The last half of the nineteenth century( )the steady improvement in the means of travel.A.has witnessed B.was witnessed C.witnessed D.is witnessed

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

答案 C

解析 考查过去时。句中所填动词后跟宾语,为主动语态。因此排除表示被动的B、D两项。A、C两项的区别在于时态。根据主语The last half of the nineteenth century可知,C项正确。故本题选C。句意:在十九世纪后期,旅游交通工具日益改进。
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