Read and choose. （在括号内选择恰当的答案填在横线上）

1. It's 8  : 30.  It's time _________ (to; for)  English class.

2. It's 7  : 00.  It's time _________ (to; for) have breakfast.

3. I get up ________ (at, in) 6 : 30.

4. ________ (What; When)  time is it?

面对不健康的文化，我们应该怎样做？