Final answer:
John feels shocked, disappointed, and betrayed when he discovers Lenina asleep on her soma holiday.
Step-by-step explanation:
The three adjectives or phrases that can be used to describe John's feelings when he discovers Lenina asleep on her soma holiday are shocked, disappointed, betrayed. In the given passages, John's reactions and emotions are clearly depicted through his actions and thoughts. For example, in the first passage, he wakes up in a state of shock after discovering Lenina asleep, which indicates his surprise and disbelief. In the second passage, his anticipation builds up, and when he sees the figure standing by the door, he feels a mixture of disappointment and betrayal.