单项选择题What do we learn from the passage about MySpace
单项选择题What will possibly cause the plane to crash
填空题The researchers agree that how many friends one has is resulted from______.
单项选择题Before Andy Hildebrand retired, he worked for ______.
单项选择题Why does the man resort to the woman
填空题include
单项选择题According to the speaker, what problem may indoor air pollution bring to people
单项选择题A.Fly to Cleveland directly.B.Take a connecting flight at Seattle.C.Buy the ticket at Seattle.D.Buy a domestic airline ticket.
单项选择题What is the woman’s first suggestion to her hus-band
单项选择题Why must air be pumped into the plane