I felt sure I would never be able to close the case again.从句是不是虚拟语气

I felt sure I would never be able to close the case again.从句是不是虚拟语气 ★请讲讲这句话中would的用法★I felt sure I would never be able to close the case again. I felt sure,i would love to和sure i would love的区别 I sure I felt happy还是I felt happily I was sure she would get over it.And she If I had been there ,I would have felt extremly happy 这句话对吗,急 i only felt I felt so i ever felt before I felt very quality I felt my life with my hands to see if i was there to sure if it belongs to me. I think the door is locked,but I would better go and____A.make sure to it B.be sure about C.for sure D.make sure I felt so ashamed of you.felt Would you like ___ more coffee I'm sure you would.A.much B.any Can Ihelp you what would you like?I'm not sure .Would you like something to____? I said that was OK and that I was sure she would get over it.