问题补充：
–Where do these books ?
--Put them back they were.
A. go; where
B. lay; where
C. lie; in which
D. lie; which
答案：
(答案→)A. go; where
B. lay; where
C. lie; in which
D. lie; which
解析：词义辨析。Go去，达到；lie躺，位于。Where，在哪儿。Which哪一个。句意：这些书放在哪儿？——把他们放回他们原来的地方。结合语境可知选A。
