注意：此页面搜索的是所有试题
题目内容
（理工英语1）
The first train took _____ to complete the longest rail journey.
选择一项：
a. 24 days.
b. 21 days.
c. 6 weeks.
选择一项：
a. 24 days.
b. 21 days.
c. 6 weeks.
参考答案
