I don't think Mary and Sue before, ?
A: have met;haven't they
B: have met;have they
C: have seen;do I
D: have seen;don't they
A: have met;haven't they
B: have met;have they
C: have seen;do I
D: have seen;don't they
举一反三
- A:Do you think we have met before?B:I don't thnik so
- I don't think you have heard of the story before you knew Peter,__________ A: don't I B: haven't you C: do I D: have you
- You have never met before, _____ ? A: haven’t you B: do you C: don’t you D: have you
- I don't think you have a good time, ______ A: haven't you B: have you C: do I D: don't I
- You have never seen the film before,( )? A: haven't you B: don't you C: have you D: do you