Sentence 1: Gina's crush Jamie had smiled at her. 
 Sentence 3: She sat her desk replaying the moment in her head 
 Sentence 4:  She couldn't focus on a thing the teacher was saying 
 Sentence 5:  She felt as if she were in the clouds 
 Option 1: It was the first time he had acknowledged her when not in a group. 
 Option 2: It was almost a dream for her when he smiled.