Question

Is the river ______ through that town very large? A．which flows B．flows C．that flowing D

Is the river ______ through that town very large? A．which flows B．flows C．that flowing D．whose flows

Answer 1

A

定语从句，which代替先行词the river在从句中作主语。

Answer 2

选a。流过小镇的那条河很大吗？which引导的定语从句修饰先行词river,river在从句中充当了主语，所以连接词不能省，且只能用which而不能用that或whose。