现学现用
1. Peter was so tired after a long journey that he _____the moment he lay down.
A. fell behind B. fell asleep C. fell down
2. I didn’t sleep well last night because of the noise, so I feel ____today.
A. sleepy B. asleep C. sleeping
3. Keep quiet, and don’t wake up the _____baby in the baby chair.
A. asleep B. sleepy C. sleeping
4. He will go to the university tomorrow. But now he is too excited to go to_____ .
A. sleep B. sleeping C. sleepy