tea [英] [ti:]
pin [英] [pin]
if [英] [if]
big [英] [biɡ]
please [英] [pli:z]
fish [英] [fiʃ]
mean [英] [mi:n]
ship [英] [ʃip]
eat [英] [i:t]
beach [英] [bi:tʃ]
本题考察的就是长元音和短元音的区别所以
/i:/ 就是音标里面的长元音对应的上面单词音标可知道有：tea please mean eat beach
/i/就有：pin if big fish ship