问题
选择题
--I stayed at a hotel while in New York. ---Oh, did you? You ___ with Babara.
A．could you stayed
B．could stay
C．would stay
D．must have stayed
答案
答案：D
根据句意可知，这里要表达的是：你一定是和Babara呆在一起的。must have stayed表示对过去的事情有肯定猜测。