AyoungAmericandoctorwassleepingwhensuddenlyhisdoorbellb...
問題詳情：AyoungAmericandoctorwassleepingwhensuddenlyhisdoorbellbegantoring.Itwasalreadymidnight,butwhatcouldthedoctordo?Hehadtogetup,putonhiscoatandgodownstairs.Whenheopenedthedoor,hesawamanstandingwit...