'spiked'
Incorrect. Phonetically, this word does not end in [ed].
Incorrect. The diphthong does not end quite so high.
Incorrect. This would give you speaked.
Correct.
'rotten'
Incorrect. If you listen carefully, you will hear that there is no [t], just glottal stop followed by [n].
Incorrect. Don't let the spelling get in they way of how you transcribe the vowels.
Correct
Incorrect. This is orthogrpahic, not phonetic.
'yawned'
Correct
Incorrect. Double check how we transcribe the palatal approximant.
Incorrect. The first letter doesn't represent a palatal glide, and this word does not contain a bilabial approximant.
Incorrect. There is no silent e in IPA.
'phones'
Incorrect. Listen to the voicing of the final sound.
Correct
Incorrect. This word doesn't start with a bilabial stop.
Incorrect. There is no silent e in IPA.
'include'
Incorrect.The nasal consonant assimilates in place of articulation to the following stop.
Correct
Incorrect. The first vowel is not pronounced as high and front as [i].
Incorrect. English does not use the sound represented by IPA [c].