The two holiest cities of Islam in Saudi Arabia are（ ）. A: Istanbul B: Mecca C: Jerusalem D: Medina
The two holiest cities of Islam in Saudi Arabia are（ ）. A: Istanbul B: Mecca C: Jerusalem D: Medina
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The two holiest cities of Islam in Saudi Arabia are（ ）. A: Istanbul B: Mecca C: Jerusalem D: Medina