Question

1、Shanghai is the first city in the world___a high-speed tra

Answer 1

1.A

be the first to do sth.

如果你要体现完成的意义，我觉得应该用be动词的变化来体现，比如把is变成was.

2.B

个人感觉I haven't read any of his books.表示的是“他的书我一本都没读过”，这显然与下一句相矛盾。另外，the one貌似暗示了“两者之一”的意思。

3.A

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