单项选择题Why has the number of camels in India been decreasing in recent years
单项选择题What is a symptom of multiple sclerosis
单项选择题What do the two speakers probably do for a living.
单项选择题Which counties spent billions of dollars to develop new oil fields
单项选择题How does rotational grazing reduce the need for pesticide treatments
单项选择题Which news agency votes for the top ten news stories
单项选择题Why is Sue upset according to the conversation
单项选择题How will the correct price be determined
单项选择题Who is the man talking to
单项选择题Where does this conversation probably take place