题目内容
【题目】We didn't know how to find them because they didn't tell us _______.
A.which room did they live
B.which room they lived in
C.which room they lived
D.which room did they live in
【答案】B
【解析】句意:我不知道如何找到他们因为他们没告诉我他们住在哪个房间。状语从句,疑问词后句子半倒装。故选B。
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