摘要： While watching TV, . A. the doorbell rang B. the doorbell rings C. we heard the doorbell ring D. we heard the doorbell rings
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While watching TV,
____.
A. the doorbell rang B. the doorbell rings
C. we heard the doorbell ring D. we heard the doorbell rings
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While watching TV, ____.
A. the doorbell rang B. the doorbell rings
C. we heard the doorbell ring D. we heard the doorbell rings
查看习题详情和答案>>| While watching TV, _______. A. the doorbell rang B. the doorbell rings C. we heard the doorbell ring D. we heard the doorbell rings |
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