The English teacher isn't here. She ________ to the office.
A:has been
B:has gone
C:went
D:did go
下列政策不属于汉武帝时期的是( )
①考试时,铃声是紧张的②回家路上遇到了事故③在电视上观看天宫二号空间实验室成功发射,我们有自豪感④犯了错误,我们有羞愧感