网上营业厅当前话费查询可否查询到一卡双号号码的费用。（）
A.可以；
B.不可以；
参考答案：A
They ________ to enter the building by the back door; however, the front door was locked.
A．are supposed
B．aren’t supposed
C．weren’t supposed
D．were supposed
我国著名乐曲《万马奔腾》是（）的乐曲，由（）主奏，（）作曲。
A.哈萨克族；冬不拉；德德玛
B.蒙古族；马头琴；齐·宝力高
C.羌族；笛子；腾格尔
D.维吾尔族；胡西塔尔；王洛宾
