The gap between the two parties has _______ (narrow).

这里填什么？主动还是被动？为什么？

【答】主动和被动，都对。动词narrow，可以及物，也可以不及物。

The gap between the two parties has narrowed. （强调自身的内部的因素）

The gap between the two parties has been narrowed. （强调外来的人为的因素）

【翻译】两党之间的差距已经缩小了。或：双方的隔阂已经缩小了。

主动语态的例句：

The gap between the two parties has narrowed considerably. 双方的隔阂已明显缩小。

The gap has narrowed considerably. 分歧大大缩小了。

Nationally, poverty in cities is less severe than in villages, but the gap has narrowed. 在全国范围内，城市中的贫困状况没有乡村严峻，但差距已有所缩小。

First, the transatlantic anger gap has narrowed. 首先，欧美国家愤怒程度的差距有所缩小。

However, the figures show that the gap between the flows has narrowed considerably in recent years. 不过数据显示，这种流量的差距近几年已明显缩小。

The gap between the two teams has narrowed to three points. 两队之间的差距缩小到三分了。

被动语态的例句：

The gap between the two places has been narrowed on the relatively numbers at the call of the western development, but it is still expanding on the trend in absolute numbers.

虽然在西部大开发的号召下，中西部与东部地区经济差距在相对数上有所缩小，但是在绝对

With the development of national economy, the gap between some urban and rural areas has been narrowed, and integration has been achieved with respect to economy, demography, and industry structure. 随着经济的腾飞，我国部分城市和地区城乡差距逐步缩小，在经济实力、人口和产业结构上基本实现了城乡一体化。

With the burst of transportation technology and communication technology, the gap between different geography and culture has been sharply narrowed in the knowledge economy.

在知识经济条件下，随着交通工具和信息科技的突飞猛进，全球各地地理上和文化上的距离已大大地缩小，全球化经济已经形成。

But with the implementation of our present policy on the mainland, the growth rate will be rapid and the gap will be narrowed. 但根据大陆的现行政策，发展速度不会慢，距离正在缩小。

However, with sustained development of world economy and global expansion of New Economy, the gap between the United States and other major powers in terms of economic strengths will be narrowed. 但随着世界经济的稳定增长和新经济的全球扩展，美国与其他主要国家的经济实力差距将可能有所缩小。

   narrow，可以作及物动词，也可以不及物动词。所以，你的题目填been narrowed 或者narrowed 都正确。例如：We are working on narrowing the gap between our points of view. 我们正努力缩小我们观点之间的差距。（摘自《麦克米伦高阶英汉双解词典》）The gap between the teams has narrowed to three points. 两队之间的差距缩小到三分了。（摘自《牛津高阶英汉双解词典》第8版）