单项选择题
The first trials of H1N1 vaccine on people expected to start in ______.
单项选择题 The following are the results of Israeli and Lebanese troops exchanging fire EXCEPT ______.
单项选择题 According to the news item, Americans are disproportionately affected by the economic depression EXCEPT ______.
单项选择题 According to the news item, the "talking kitchen" can ______.
