Sentence 3Wrong sentence Mistake
Ross hates Maths, and he always falls sleepy in Maths classes.falls sleepysleepy是形容词，意为“困倦的；瞌睡的”。可以说 feel sleepy意为“感到有睡意，但没有睡着”。asleep 是形容词，只能作表语，意为“睡着的”。fall asleep 是动词词组，意为“睡着了”。
Why
Correct sentence
Ross hates Maths, and he always falls asleep in Maths classes.
