Final answer:
The two places used by Sufis for prayers and gathering are mosques and shrines, where mosques are central places of worship, and shrines often are pilgrimage sites associated with Sufi saints.
Step-by-step explanation:
Sufis, known for their mystical dimension of Islam, gathered for prayers and spiritual activities in various places. The specific answer to the question, 'Name at least two places used by the Sufis for prayers and gathering,' would be c. Mosques and Shrines. Mosques serve as a central place of worship for Muslims, including Sufis. The Jami masjid, or 'Friday mosque,' holds special significance for the weekly communal prayer. Additionally, shrines, which often house the graves of revered Sufi saints, are important pilgrimage sites and places of prayer for followers of Sufism.