单项选择题What does the passage mainly talk about
单项选择题What has happened to T-Pain since 2005
单项选择题Who once had to learn the Auto-Tune technique from T-Pain
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
单项选择题What is the difference between MySpace and other websites
单项选择题Which of the following is described as a Photoshop for the human voice
单项选择题What does the man want to do
单项选择题Why does the man resort to the woman
单项选择题According to the speaker, what problem may indoor air pollution bring to people