单项选择题
A. 2,200. B. 22,000. C. 220,000. D. 2,200,000.
A. Water supplies of the Horn. B. Drought and famine in Africa. C. Kenyan forces hunt down al-Shabab. D. High food prices of the Horn.
A. An investigation about Iran. B. An investigation about the US. C. Iran’s national safety. D. National defense of the US.