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While watching television, _______________________.
A. the doorbell rang B. we heard the doorbell ring
C. there was someone knocking at the door D. we heard the doorbell rung
查看习题详情和答案>>While watching television, ____________.
A. the doorbell rang B. we heard the doorbell ring
C. there was someone knocking at the door D. we heard the doorbell rung
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While watching television, .
A．the doorbell rang
B．we heard the doorbell ring
C．there was someone knocking at the door
D．we heard the doorbell rung
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While watching television, ________.
|
A．the doorbell rang |
B．the doorbell was rung |
|
C．we heard the doorbell ring |
D．we heard the doorbell rings |
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