问题
选择题
—Excuse me, where is Johnson?
—He cannot go home, as his book is lying __________on his desk.
A．openly
B．opening
C．opened
D．open
答案
D
本题考查open作形容词的用法。句意：他不能回家，因为他的书还在在他的桌子上打开放着。此处open是形容词，表示“敞开着”的状态。opening是动词时，表示“打开”的动作。