我国的两个特别行政区是[ ]
A．重庆、上海
B．北京、天津
C．香港、澳门
D．香港、台湾
答案：C
---Must we finish the work all day?
---________. You can do it tomorrow.
A．Yes, you must.
B．No, you mustn’t.
C．No, you needn’t.
D．Yes, you may.
阈刺激
