听一段对话,回答第 11、12 小题。答题完毕,请等待"嘀"的信号,进入第一篇短文。
(
A
)11. How long did Elva stay in the US?
A. For two weeks. B. For two months. C. For two years.
(
A
)12. What might Elva see in the US?
A. Universal Studios. B. Yellowstone National Park.
C. The Golden Gate Bridge.
