Students are always interested in finding out they can go with a new teacher.A. how farB.

问题补充：

Students are always interested in finding out they can go with a new teacher.

A. how far

B. how soon

C. how often

D. how long

答案：

(答案→)A. how far

B. how soon

C. how often

D. how long

解析：

How far有两个用法，其一是用于对距离的提问；其二是询问到什么程度或范围；how soon表示多久以后；how often询问频率；how long询问多长时间。是说，学生们想知道他们与新来的教师会相处得如何，how far表示程度，修饰go with a new teacher。