Explain the purpose of the last line of the chapter on page 66. The list was in may bag when I returned to West Newton for the fourth time, a Tuesday in late August when the air-conditioning at the Logan Airport terminal was not working, and people fanned themselves and wiped sweat angrily from their foreheads, and every face I saw looked ready to kill somebody.

The purpose of the last line was to emphasise & buttress the feeling of frustration felt by everyone

Explanation:

Going with the notion that the last line of the chapter on page 66 is "and every face I saw looked ready to kill somebody.". Following through the context of the narrative, we see that the current situation was that the air-conditioning system of the Logan airport was faulty. This caused a great inconvenience for the people which was made evident by the fact that they were all sweating. The writer thus uses the last line to further buttress the unease and inconvenience which was felt by everyone.

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the answer is a because the astrophel does more and sidney goes to the astrophel more than stella.