The little boy spends most of his time-----the library.A.on B.for c.to D.in
问题描述:
The little boy spends most of his time-----the library.A.on B.for c.to D.in
这个选哪个啊,说明理由
答
in in the library 在图书管理 这个小男孩大部分时间都在图书馆里度过