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【单选题】
When I entered the step-classroom (阶梯教室), the lecture __________ and the audience __________ attentively.
A.
began, listened
B.
was begun, was listening
C.
had begun, listened
D.
had begun, were listening
题目标签：阶梯教室
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参考解析：
刷刷题刷刷变学霸
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【单选题】When I entered the step-classroom (阶梯教室), the lecture __________ and the audience __________ attentively.
A.
began, listened
B.
was begun, was listening
C.
had begun, listened
D.
had begun, were listening
【单选题】When I entered the step-classroom (阶梯教室), the lecture __________ and the audience __________ attentively.
A.
began, listened
B.
was begun, was listening
C.
had begun, listened
D.
had begun, were listening