【单选题】More than 6,000 children were expelled (开除) from US school last year for bringing guns and bombs to school, the US Department of Education said on May 8. The department gave a report to the expulsions...
【简答题】President Barack Obama had a big pat on the back for his young daughters on Tuesday, saying they have got used to life in the White House. After more than a year at the US presidential mansion, Malia ...