Question

－How long does it take us to go to your hometown from here?

－It takes us ________ hour or more to go to my hometown by ________ train．

[　　]

A．an; a

B．a; an

C．an;/

D．a;/

Answer 1

答案：C
解析：

冠词的考察hour [au?]第一个字母h不发音，所以一小时应用an hour; by介词，当交通工具前无修饰词时，用介词by且名词前不用冠词。