Either you or one of your students _______to attend the meeting that will be held tomorrow.

A． are

B．is

C．have

D． be

晚清时期清帝年号的正确排序是( )。

A．道光、同治、光绪、咸丰、宣统

B．道光、咸丰、光绪、同治、宣统

C．道光、同治、咸丰、光绪、宣统

D．道光、咸丰、同治、光绪、宣统