6. I had not been reading for half an hour _____ I heard steps outside.
举一反三
- I had not been reading for half an hour _____ I heard steps outside. A: when B: that C: while D: as
- - What did you think of Act I of the play last night?- I’m sorry. The play ___( )___ when I got there. A: had been started B: had been on for half an hour C: was to start D: had begun for half an hour
- The film __________for half an hour when I got to the cinemA． A: began B: begun C: had begun D: had been on
- I’d been waiting for half an hour and I was getting (patient)_________.
- I ____________ for about an hour and a half when suddenly I slipped and fell down a riverbank. A: had been walking B: walked C: had walked D: was walking