This podcast will help you with this tricky American "i" sound. Non-native speakers tend to tighten the vowel to sound like an "E," instead the short "i" sound. So, "live" sounds like "leave" or "it" sounds like "eat." Listen and repeat the word after me.
Short i
bib Him it illustrate
kick in bit imitate
lick grin sit instruction
pick fin give inside
sick pin live instrument
did win is instigate
hid hip incredible interrogate
kid lip its inquire
lid rip idiom irritate
big sip indifferent instant
dig tip if Isolde
pig zip ignorant
hill kiss ignore
pill hiss ill
still miss
grill