题目内容
When the audience heard the alarm, they all hurried to ????? they thought was an emergency exit door.
A. what??? B. which??? ??? C. where???? ? D. who
【答案】
A
【解析】
考查名词性从句。What连接宾语从句从句they thought was an emergency exit door并作从句的主语。 句意当观众听到警报声他们跑向紧急出口处。
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