试题题干
In ( ) the discovery of gold drew thousands of new immigrants to Australia.
参考答案
正确答案:
试题解析
1851年,黄金的发现吸引了成千上万的新移民来到澳大利亚。
In ( ) the discovery of gold drew thousands of new immigrants to Australia.
1851年,黄金的发现吸引了成千上万的新移民来到澳大利亚。