The librarian did some careful checking and found several books

The librarian did some careful checking and found several books _______ from the shelf.
A、leaking
B、missing
C、losing
D、dropping
【正确答案】：B
【题目解析】：【考情点拨】考查动词辨析。
【应试指导】句意：图书管理员仔细检查了一下，发现书架上少了几本书。leaking意为“泄露”，missing意为“失踪，不在”，losing意为“损失”，dropping意为“掉落”，故选B。