单项选择题
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.
A. Cuban citizens only. B. Permanent residents only. C. Temporary residents. D. Cuban citizens and permanent residents.