Choose Future Simple or to be going to to fill in the gaps
A: We bought new house on wheels and we [are going to|will] assemble it by ourselves.
B: That sounds rather interesting. I [am going|will] come and help you if you like.
A: Why do you want all the furniture out of the room?
B: Because I [am going to|will] change the floor. It's impossible to do it unless you take everything off first.
A: Have you decided on the design of your future house?
B: Oh yes, and I've made it on 3D program. It [willis going|is going] be in the style of minimalism.
A: Here are the matches, but what do you want them for?
B: I [am going to|will] make a campfire on the top of the hill. I want to sit over the fire sing song and play guitar.
A: Well, be careful. If the fire gets too big, it [is going to|will] burn the grass.