问题
选择题
— Why on earth didn't you answer the phone?
— I'm terribly sorry, but the doorbell _____, too. [ ]
A. is ringing
B. rang
C. was ringing
D. has rung
答案
答案：C
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— Why on earth didn't you answer the phone?
— I'm terribly sorry, but the doorbell _____, too. [ ]
A. is ringing
B. rang
C. was ringing
D. has rung
答案：C