试题题干
The（） had been the only instrument played, but many other instruments were added later in Ireland.
参考答案
正确答案：
试题解析
过去爱尔兰竖琴是唯一用于演奏的乐器，但后来爱尔兰又添加了许多其他乐器。四个选项只有B选项符合题意。
The（） had been the only instrument played, but many other instruments were added later in Ireland.
过去爱尔兰竖琴是唯一用于演奏的乐器，但后来爱尔兰又添加了许多其他乐器。四个选项只有B选项符合题意。