Adapted passage context: The passage contrasts summer vacations of the past with highly scheduled present-day breaks. Today many children attend classes, camps and intensive trips. Earlier, summer often meant returning to the family's native place, spending time with extended family and strengthening a sense of belonging. The writer feels modern life is more attached to work and material identity. According to the passage, how do many learners spend present-day summer breaks?

1. Killing time in endless play
2. Only revisiting weak school topics
3. Attending camps/workshops such as art or music
4. Only reading books