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C, when as soon as as We were heartedly arguing about the financial matter, ______the telephone rang unexpectedly. while
the telephone rang Anna heard the telephone ring someone knocked at the door there was a knock at the door
Almost No sooner Hardly Just
rings was ringing rang has rang
has rung；was had rang；would be rang；has been was ringing；is
to cook to have cooked to be cooking having cooked
the telephone rang someone knocked at the door Mary heard the phone rang the door was opened
had rang; was has rung; was rang; has been has been ringing; is
rang; was has rung; was rang; is has rung; is
the telephone rang someone knocked at the door Mary heard the phone rang the door was opened
and at the time then when
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