题目内容
Our English teacher worked late into the night, ________ the exams for the following weeks．
[ ]
A．to be prepared
B．prepared
C．preparing
D．was preparing
答案：C
解析：
解析：
|
该题考查现在分词短语做状语。preparing不是并列谓语动词，而是伴随状语。用来对谓语动词的动作加以修饰或陪衬，过去分作伴随状语，用来说明动作发生的背景或情况，如：Depressed he went to see his sister．(他情绪低落就跑去找他的姐姐。) |
练习册系列答案
相关题目
