Question

The new slippers are used       seeing in the dark.
A、to                       B、for                  C、as

Answer 1

B

试题分析：句意：新拖鞋是用来在黑暗中看东西的。be used to do sth 被用作干什么，被动语态；be used to doing sth 习惯于做某事；be used for doing 被用于---，被动语态; be used as 被当做什么用，被动语态。根据题意可知选B。