71. I've got it.(我懂了。) .
72. I can't afford that.(我承擔/買不起。) .
73. I did it, I'm so happy now.(我做到了,現在我很滿意。) .
74. I don't care.(不關我的事/我不管。) .
75. I don't think so.(我不這么想/我看不會/不行/不用。) .
76. I guess so.(我想是吧。) .
77. I have no other choice.(我別無選擇。) .
78. I will do my best!(我會盡力的!) .
79. I mean it.(我是認真的。) .
80. I'm so scared.(我怕極了。) .