A:Do you think we have met before?B:I don't thnik so
举一反三
- 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
- --Do you think we've met before?--____________ A: Thank you. B: Good luck. C: Yes, fine. D: I don't think 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
- I don't think you've heard of him before,_____? A: don't I B: do I C: have you D: haven't you
- I don’t think you’ve heard of him before, ________? A: have you B: haven’t you C: do I D: don’t you