have done和done的用法Do you think we should accept that offer?Yes,we should,for we____such bad luck up till now,and time is running out.A have had B had该用哪一个呢?

have+do/done/doing的用法 have done和have been done的用法是什么? 英语 would have done 和should have done 的用法 could't do 和could't have done还有could do,could have done的区别和用法 done和have done 用法区别RT have done 的相关用法 have done 的详细用法. should have done .would have done. must have done三者之间的意思和用法上有什么区别? have been doing have done 的用法和区别 have been doing have done 的用法和区别 have done的用法要例句I have done。 may have done和may have done 的区别RTmay have done和might have done could have done 和 should have done的用法是否一样? to have done和having done,to do和doing用法有什么区别?记住是时态用法区别? can have done和 could have done有什么区别?那can have done什么用法？ 有have have done 的用法吗 do did does 和 done 的用法 具体一点 have been done和have been do的区别