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do I haven't you have you don't you
Yes, I think so. No, I don’t think so. I agree with you. I don’t agree with you.
may have thought can have thought may think might think
dropping; start had dropped; started dropped; have started dropped; was starting
Yes, I think it Yes, I think so No, I don’t think it I don’t think
haven't you have you do I don't I
I’m sorry to hear that I will. Thank you I have no trouble I’ll think it over
B.c、D.四个选项中.选出一个最佳答案。 I think you have dropped_________ "r" in writing “merry”. A. an a the x
dropped in it put it down dropped it in put down it
you'd rather; I think so you'd better; I'd rather not you have to; I'd rather not you'd better; I think so
told would tell had told had been telling
do I don’t you have you do you
told would tell had told had been telling
would might would have might have
may have thought can have thought may think might think
dropped drop had dropped have dropped
must drop it should have dropped it must have dropped it ought to have dropped it
told would tell had told had been telling