◎ 题干
— You could have walked here.
— Yes. A taxi ______ necessary.

A. is
B. was
C. isn't
D. wasn't
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“— You could have walked here. — Yes. A taxi ______ necessary.[ ]A. is B. was C. isn'tD. wasn't …”主要考查了你对  【一般过去时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。