Final answer:
The word that starts with a bilabial stop is 'banana'. Vowel sounds are categorized as long or short, where long vowel sounds correspond to the vowel's letter name. The sound 'b' can be spotted and marked in words like 'bubble' and 'cabbage'.
Step-by-step explanation:
The student's question is asking about a word that begins with a bilabial stop sound, which is the sound made by quickly releasing air from the lips, as heard in the consonant 'b'. Among the possibilities are loop, banana, tooth, and cat. The correct answer is banana, as it starts with the bilabial stop 'b'.
Regarding the review of vowel sounds, a long vowel sound is typically the same as the letter's name and a short vowel sound is the vowel's sound when paired with another consonant. For example, in the word 'cake', the vowel 'a' has a long sound denoted by long , whereas in 'math', the 'a' has a short sound denoted by short .
When identifying the sound 'b' in different words, you underline the letters spelling the sound as observed in 'bubble' and 'cabbage'. In words containing 'll' such as 'tallest', you'll pay special attention to the vowel sound in front of 'll'.