Ответ:

общий: Can we recycle paper, newspaper and metal?

специальный: What materials can we recycle?  

альтернативный: Can we recycle paper, newspaper and metal or plastic and wood?

разделительный: We can recycle paper, newspaper and metal, can’t we?

Объяснение:

Can we recycle paper, newspaper and metal?

Can we recycle paper or glass?

What can we recycle?

We can recycle paper newspaper and metal, can't we?