古代的城市现在的名称有所不同，“大都”就是现在的（）城市？
参考答案：北京
The teacher got very ________ when the boy refused to answer his question.
A．annoying
B．being annoyed
C．to be annoyed
D．annoyed
税务机关应根据税票的第几联做入库销号。（）
A.3
B.4
C.5
D.6
