When the students heard the alarm, they all hurried to they thought was an emergency exit

发布时间：2020-08-17 10:35:24

When the students heard the alarm, they all hurried to      they thought was an emergency exit door．
A. what
B. which
C. where
D. who

网友回答

(答案→)A. what
B. which
C. where
D. who
解析：此处to是介词，其后是介词的宾语从句，what在宾语从句作主语。句意：当学生们听到警报声，他们都急忙冲向他们认为的应急出口。
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