老师能分析一下这道题吗:
PREP07 Test 2-2
In the Louisiana Purchase of 1803, the United States acquired 828,000 square miles for about four cents an acre, which more than doubled the country's size and that brought its western border within reach of the Pacific Ocean.
RC 具象化 场景化 https://bichu.com.cn/live/97
老师能分析一下这道题吗:
PREP07 Test 2-2
In the Louisiana Purchase of 1803, the United States acquired 828,000 square miles for about four cents an acre, which more than doubled the country's size and that brought its western border within reach of the Pacific Ocean.
老师,您这是什么视频格式?我的电脑上无法显示。