When we cross the street
when引导的时间状语从句,其中,we主语,cross 谓语 the street 宾语
we must pay attention to the light. 是主句,其中,we 主语 must pay attention to 谓语 the light 宾语
When we cross the street
when引导的时间状语从句,其中,we主语,cross 谓语 the street 宾语
we must pay attention to the light. 是主句,其中,we 主语 must pay attention to 谓语 the light 宾语