to be going to vs will

'I don't have my phone with me.' - 'That's OK.  I (give) you my phone.

We (have) barbecue tomorrow. So i am going to the shop now.

I think he (come) to school tomorrow.

I bought this book because i (read) it.

I (call) you tomorrow.

I am very hangry. - Don't worry i (bring) you some food.

What are yor plans for tonight? - I (ride) a bike.