填空题

It was in the 1950s that the American government finally took action to build a national highway system.

【参考答案】

Y
<上一题 目录 下一题>
热门 试题

问答题
有些大学允许学生自由选择某些课程的任课老师。2．学生选择老师时所考虑的主要因素是…3．学生自选任课老师的益处及可能产生的问题。On Students Selecting Lecturers
填空题
National standards for paved roads were in place by 1921.
相关试题