“小草对您微微笑,请您把路绕一绕”、“把脏东西喂给我吧,大地妈妈刚换了件干净衣服——垃圾桶说”,这样一批充满温馨话语的新式环保提示牌取代了传统的“禁止”、“限制”等冷性、强制性词句的环保提示牌,这一细节的变化让人们倍感轻松。这说明我国( )
—Can I my hair colored, Mom? —No. As a student, you ________ do that.
—Look, there_____ many birds around here, but now we hardly see them. What a pity! —Yeah! The air pollution has caused the problem!
—What do you think of the hotel? —There are no customers in the hotel. It ______ have the friendliest service.
—How about going hiking this weekend? —Sorry. I prefer ______ rather than ______.
—Here are two rice cards. Which one belongs to ______? —Look. Here is my name. It must be ____. The other one is yours.