(2013·甘肃兰州名校高三检测)I have been living in the United States for

I have been living in the United States for twenty years,but I have been living in the United States for many years,but s i have been living in the United States for twenty years Market analysts in the United States have recently been quot I have been living in there for 10 years和I have lived in the i have been living in shanghai for three years These farmers have been to the United States . Shopping habits in the United States have changed greatly in Can the poor people have car in the United States? They have pen pals in the United States and Australia 英语翻译Three leading Senators in the United States have reached 英语翻译In the United States,epidemiological studies have recent