79、I assure you. 80、I bet you can. 81、I can manage. 82、I can't afford it. 83、I can't believe it. 84、I can't resist the temptation. 85、I can't stand it. 86、I can't tell. 87、I couldn't agree more. 88、I couldn't get through. 89、I couldn't help it. 90、I didn't mean to. 91、I don't know for sure. 92、I enjoy your company. 93、I enjoyed it very much. 94、I envy you. 95、I feel like having some dumplings. 96、I feel terrible about it. 97、I feel the same way. 98、I have a complaint. 99、I have nothing to do with it. 100、I haven't the slightest idea. 101、I hope you'll forgive me. 102、I know the feeling.