未知题型
Older people are generally advised to _____.(A) keep fit by going in for physical activities(B) keep mentally active by challenging their brains(C) maintain mental alertness through specific training(D) maintain a balance between individual and group activities
阅读的课文传上来，我好回答。
问答题 河北北方学院2012年6月英语四级报名费是多少啊？
问答题 沧州市2012年6月英语四级领取证书时间是？
未知题型 Last year the advertising rate _________ by 20 percent.A) raised B) arousedC) arose D) rose
