Because the enemy’s new ship is thequietest and therefore the mostelusive submarine, it is being increasingly viewed by the militaryas a threat to security. (A-P1-162)
这里的it is being 做什么成分?修饰submarine么? 那为什么要加it呢? therefore后面的SOV结构是什么呢?麻烦高人指点一下。。。
Cooperative apartment houses have thepeculiar distinction of beingdwelling that must also operate as business. (A-P1-126)