问题补充:
In order not to be disturbed, I spent three hours in my study.
A. locking
B. locked
C. to lock
D. to be locked
答案:
A. locking
(答案→)B. locked
C. to lock
D. to be locked
解析:考查过去分词做状语:根据句意“为了不被打扰,我锁在书房里呆了三小时”,可以看出该句不是spend...(in)doing结构。细细分析,其实我们不难看出I was locked in my study这层含义,也就是说,locked in my study描绘了主语I的一种状态。因此该题答案应该为B