单项选择题A．sinceB．betweenC．fromD．lately

单项选择题A．trailB．maskC．filmD．veil

单项选择题What is Higonnet’s attitude towards the fact that the two sides of the myth complemented each other

单项选择题Which of the following has been proved to transmit HIV

单项选择题According to the investigation, who is likely to have nightmares