单项选择题
Conversation Two
A.Unexpected incidents. B.Lack of money. C.Heavy traffic. D.Weather conditions.
A.footing the bill B.topping the bill C.taking a rain check D.running a check
A.Birth rates in the US are soaring up in recent years. B.Birth rates have reached the lowest point in the US. C.Teenage pregnancies have gone down to historic lows in the US. D.The report shows the birth rates in the US in the past 10 years.