____,蜡炬成灰泪始干。《无题》李商隐
①拓宽师生交往的空间 ②共筑师生情感交流的桥梁
③根除师生之间的隔阂 ④建立民主平等的新型师生关系
- Do you like the green one or the yellow one?
- I have no idea. I can't decide __________.