(2009山东聊城一模)He can’t be really reading attentively；he is just pages．
A. turning off
B. turning around
C. turning over
D. turning up
网友回答
A. turning off
B. turning around
(答案→)C. turning over
D. turning up
解析：turn off关上；turn around转身，改变主意 turn over翻转，交上；turned up出现，调大（动火，音量等）由句意可知他只是在翻书。