The telephone (ring) __________ for three minutes before it was answered.
举一反三
- I must have hung （）for ten minutes before the telephone operator put me through. A: up B: round C: on D: over
- While watching television, （） A: the telephone rang B: we heard the telephone ring C: we heard the telephone rang D: the telephone was rung
- While watching TV, ______. A: the telephone rang B: the telephone was ringing C: the telephone was heard ring D: I heard the phone ringing
- The general rule for quality checking is. A: Three bites or three minutes B: As soon as they have a bit C: Two bites or two minutes D: Two bites or three minutes
- The doctor will be free ______. A: 10 minutes ago B: before 10 minutes C: in 10 minutes D: 10 minutes after