问题补充：
Our school has a library and it more than one million books.
A. hides
B. remains
C. receives
D. houses
答案：
A. hides
B. remains
C. receives
(答案→)D. houses
解析：A. hides躲藏，B. remains仍然，C. receives接受，D. houses给……提供住房，给……房子住，把……储藏在房内，句意：我们学校有一个图书馆，藏书超过1百万册。所以选D。
