根据情景选择合适的英文表达。
1.你问别人这是什么,你说:( )
A. What is this? B. What color is the new skirt? C. What about an egg?
2.你向别人介绍你的裙子时,你说:( )
A. This is my shirt. B. She's my sister. C. This is my dress.
3.你想询问帽子的颜色,你说:( )
A. Is it a cap? B. It's red. C. What color is the cap?
4.你想问对方是否想要吃一个蛋糕,你会问:( )
A. What colour is the cake? B. What is a cake? C. Would you like a cake?
5.初次见到对方时,你应该说什么:( )
A. How nice! B. Nice to meet you. C. It is nice.