In school it is not so easy to learn a foreign language because the pupils have so ...

问题描述:

In school it is not so easy to learn a foreign language because the pupils have so ...
In school it is not so easy to learn a foreign language because the pupils have so little time ___ it.
a.on b.for c.in
为为什么用介词for?而不是其他2个

就是"为了"嘛.别的词好像也没有这方面的意思.同意楼上的.就是语感的问题.建议你多看点外国大片.