29. instinct　 本能　　　　 by instinct　 出于本能　　　 act on instinct 凭直觉行动

28. instead　　　　　　　　 He was ill, so I went there instead.

instead of　 代替　　　 = He was ill, so I went there instead of him.

27. instant 立刻的，速食The medicine she took gave an instant relief from her pain.药暂时止痛。

　　　　　　　　　　 instant coffee　　 instant noodle　 方便面

226. inspire sb to do 鼓舞…去做…　　 encourage sb to do sth

　　　 Her courage encouraged confidence in others. 她勇气激发他人信心。

25. inspect troops　 检阅军队　　 inspect our school　 视察我们的学校

24. insist　 坚持　 He insisted that he was innocent. = He insisted on his being innocent.　　　　

　 He insisted that he did nth wrong and ( should ) not be punished.他认为他没错，不要被惩罚。

23. inquire of sb about 询问…　　 He inquired of me about my work.　　

inquire into 调查 inquire into the matter　 inquire after询问 make inquiries of sb about　 询问

22. innocent 清白be innocent of crime 无罪as innocent as a newly-born baby 天真无邪的孩子　

guilty有罪的　 I don’t know whether he is innocent or guilty　　

21. be injured in　 在…受伤　　 an injured look 委屈的表情　　

20. inform sb of /about sth　　 inform sb that

keep sb informed of　　　 TV keeps me informed of what is happening in the word every day.