单选题
10.
Every room in the house ______ entered, and $10 in notes and a gold watch were missing.
A、
was
B、
had been
C、
has been
D、
have been
【正确答案】
B
【答案解析】
动词时态题。因为本句用过去范围内的时态，首先可排除C和D；过去完成时强调enter的动作在miss之前发生，更能体现时间的先后顺序，所以应选B。
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