______ when the telephone rang
A: Were sleeping
B: Did you sleep
C: Have you slept
D: Were you sleeping
A: Were sleeping
B: Did you sleep
C: Have you slept
D: Were you sleeping
举一反三
- Have you used a _______ bag? A: sleeping B: sleep C: asleep D: slept
- a car when you were living in Paris? A: Had you B: Were you having C: Did you have D: Have you had
- Did you used to have _________(兼职) when you were at college?
- ________ oil or butter when you cook it ? A: Do you use B: Did you use C: Were you using D: Have you used
- Did you ____ have a part-time job when you were at college? A: used to B: use C: use to D: used