We should consider the students’ request that the school library more books on popular science.
A. provide
B. was provided
C. provided
D. should be provided
网友回答
(答案→)A. provide
B. was provided
C. provided
D. should be provided
解析：考查同位语从句。Request后跟从句用虚拟语气，（should） do 结构，根据语境是图书馆应该提供一些关于流行科学的书，故选A。